A review of policies and initiatives for climate change mitigation and environmental sustainability in Bangladesh

Mitigating Curtailment and Carbon Emissions through Load Migration between Data Centers

Major US electric utility climate pledges have the potential to collectively reduce power sector emissions by one-third

Environmental product declarations (EPD) to EN 15804 provide information about the embodied carbon dioxide of construction products – their life cycle greenhouse gas emissions – alongside reporting the use of renewable and non-renewable primary energy and secondary fuels, among the other environmental indicators. As the number of EPD to EN 15804 increases, they become a useful data resource to consider these impacts. In moving towards a reduction in the embodied carbon of products, it is necessary to use renewable energy resources efficiently to allow the transition to net zero; this is because of the increasing demands on renewable energy to decarbonise industry, transport and domestic energy consumption and the limited capacity to expand renewable generation. This paper reviews published EPD data for structural and reinforcing steels, cement, bricks and structural timber products, and considers, for the cradle to gate ‘product’ life cycle stage, exploring the relationship of embodied carbon with embodied energy (total energy used), the balance of renewable and non-renewable energy, and the efficient use of energy. It is found, for bricks and timber, that EPD show products that use a greater percentage of renewable energy have higher embodied energy, suggesting a less efficient use of renewable energy for these products.

Español

Executive Summary: The California Climate Action Registry, which was initially established in 2000 and began operation in Fall 2002, is a voluntary registry for recording annual greenhouse gas (GHG) emissions. The purpose of the Registry is to assist California businesses and organizations in their efforts to inventory and document emissions in order to establish a baseline and to document early actions to increase energy efficiency and decrease GHG emissions. The State of California has committed to use its ''best efforts'' to ensure that entities that establish GHG emissions baselines and register their emissions will receive ''appropriate consideration under any future international, federal, or state regulatory scheme relating to greenhouse gas emissions.'' Reporting of GHG emissions involves documentation of both ''direct'' emissions from sources that are under the entity's control and indirect emissions controlled by others. Electricity generated by an off-site power source is consider ed to be an indirect GHG emission and is required to be included in the entity's report. Registry participants include businesses, non-profit organizations, municipalities, state agencies, and other entities. Participants are required to register the GHG emissions of all operations in California, and are encouraged to report nationwide. For the first three years of participation, the Registry only requires the reporting of carbon dioxide (CO2) emissions, although participants are encouraged to report the remaining five Kyoto Protocol GHGs (CH4, N2O, HFCs, PFCs, and SF6). After three years, reporting of all six Kyoto GHG emissions is required. The enabling legislation for the Registry (SB 527) requires total GHG emissions to be registered and requires reporting of ''industry-specific metrics'' once such metrics have been adopted by the Registry. The Ernest Orlando Lawrence Berkeley National Laboratory (Berkeley Lab) was asked to provide technical assistance to the California Energy Commission (Energy Commission) related to the Registry in three areas: (1) assessing the availability and usefulness of industry-specific metrics, (2) evaluating various methods for establishing baselines for calculating GHG emissions reductions related to specific actions taken by Registry participants, and (3) establishing methods for calculating electricity CO2 emission factors. The third area of research was completed in 2002 and is documented in Estimating Carbon Dioxide Emissions Factors for the California Electric Power Sector (Marnay et al., 2002). This report documents our findings related to the first areas of research. For the first area of research, the overall objective was to evaluate the metrics, such as emissions per economic unit or emissions per unit of production that can be used to report GHG emissions trends for potential Registry participants. This research began with an effort to identify methodologies, benchmarking programs, inventories, protocols, and registries that u se industry-specific metrics to track trends in energy use or GHG emissions in order to determine what types of metrics have already been developed. The next step in developing industry-specific metrics was to assess the availability of data needed to determine metric development priorities. Berkeley Lab also determined the relative importance of different potential Registry participant categories in order to asses s the availability of sectoral or industry-specific metrics and then identified industry-specific metrics in use around the world. While a plethora of metrics was identified, no one metric that adequately tracks trends in GHG emissions while maintaining confidentiality of data was identified. As a result of this review, Berkeley Lab recommends the development of a GHG intensity index as a new metric for reporting and tracking GHG emissions trends.Such an index could provide an industry-specific metric for reporting and tracking GHG emissions trends to accurately reflect year to year changes while protecting proprietary data. This GHG intensity index changes while protecting proprietary data. This GHG intensity index would provide Registry participants with a means for demonstrating improvements in their energy and GHG emissions per unit of production without divulging specific values. For the second research area, Berkeley Lab evaluated various methods used to calculate baselines for documentation of energy consumption or GHG emissions reductions, noting those that use industry-specific metrics. Accounting for actions to reduce GHGs can be done on a project-by-project basis or on an entity basis. Establishing project-related baselines for mitigation efforts has been widely discussed in the context of two of the so-called ''flexible mechanisms'' of the Kyoto Protocol to the United Nations Framework Convention on Climate Change (Kyoto Protocol) Joint Implementation (JI) and the Clean Development Mechanism (CDM).

There’s a market growing in the United States, but unlike markets that trade in tangible commodities, this one trades in the absence of something no one wants: greenhouse gases in the atmosphere. Hundreds of companies make it possible for individuals, organizations, businesses, and even events such as rock music festivals to proclaim themselves carbon-neutral by paying someone else to reduce their emissions. Worried about your carbon footprint? No problem. For fees of US$2–50 per ton of “avoided emissions,” an offset provider will funnel your money into an activity or technology that keeps greenhouse gases out of the atmosphere. The question is, are offset buyers really getting what they paid for?

Imposing versus Enacting Commitments for the Long‐Term Energy Transition: Perspectives from the Firm

Taking Stock of Strategies on Climate Change and the Way Forward: A Strategic Climate Change Framework for Australia

I. BACKGROUND II. CLIMATE CHANGE IMPACTS IN ARIZONA III. EXECUTIVE ORDER 2005-02 AND THE CLIMATE CHANGE ADVISORY GROUP IV. EXECUTIVE ORDER 2006-13 V. ARIZONA'S CLEAN CAR GHG STANDARDS VI. ARIZONA'S RENEWABLE ENERGY STANDARD VII. THE WESTERN CLIMATE INITIATIVE VIII. OTHER REGIONAL EFFORTS A. Arizona-Sonora Climate Change Initiative B. Southwest Climate Change Initiative C. The Climate Registry IX. OTHER ARIZONA EFFORTS A. Executive Order 2005-05 B. Smart Growth & the Growth Scorecard X. CONCLUSION I. BACKGROUND In the absence of meaningful federal action, it has been up to the states to show leadership on this critical issue. And that is exactly what we have done. Governor Janet Napolitano (1) Arizona is one of the newest and fastest growing states in the country. Over the last twenty years, Arizona's population has nearly doubled. (2) During that same time, greenhouse gas (GHG) emissions in Arizona have skyrocketed, due substantially to the state's population growth. An inventory and forecast of Arizona's GHG emissions prepared in 2005 for the Arizona Climate Change Advisory Group (CCAG) at the direction of then-Governor Janet Napolitano found that, between 1990 and 2005, Arizona's net GHG emissions increased by nearly 56 percent, from an estimated 59.3 million metric tons carbon dioxide equivalent (MMtCO2e) to an estimated 92.6 MMtCO2e. (3) Two sectors directly related to Arizona's rapid population growth--transportation and electricity--accounted for nearly 80 percent of Arizona's total GHG emissions in 2005. (4) Both sectors are growing at relatively high rates as Arizona's population grows. Indeed, with Arizona's population expected to continue to grow at a vigorous pace in the decades ahead, (5) the 2005 inventory and forecast projected that Arizona's GHG emissions would increase 148 percent over 1990 levels by 2020 if steps are not taken to reduce the emissions. (6) Because of Arizona's reliance on gasoline-fueled automobiles and demand for electricity produced by coal-fired power plants, Arizona's GHG emissions increased at a rate more than twice the national average during 1990-2005. (7) Further, Arizona's projected 148 percent growth-rate between 1990 and 2020 is more than three times the projected national average over the same period. (8) Arizona's forecasted GHG increase is the highest known projected emissions growth rate in the country. (9) On the other hand, because of Arizona's mild winters and relative absence of manufacturing and heavy industry, the state's per capita GHG emissions (the total level of statewide emissions divided by state population) is significantly less than the national average: 14 MtCO2e versus 22 MtCO2e. (10) Moreover, while the percentage of GHG emissions from electricity production in Arizona is greater than the national average, Arizona gets slightly less electricity from coal and more from low-GHG-emitting sources, such as nuclear power, hydroelectric power and renewable energy (such as solar and biomass). (11) While Arizona's high emissions growth rate presents challenges, it also provides major opportunities. Because nearly 80 percent of Arizona's GHG emissions are directly related to energy and transportation, Arizona can significantly reduce its GHG emissions by focusing on those sectors. Improved energy efficiency, increased use of renewable energy sources, building new infrastructure right, and increased use of cleaner transportation modes, technologies and fuels are key elements in accomplishing these reductions. They are also all essential ingredients of a new, greener economy toward which the state must move in any event. (12) II. CLIMATE CHANGE IMPACTS IN ARIZONA It is critical that Arizona take action to reduce its GHG emissions because the scientific evidence is clear that Arizona and the Southwest will be especially hard-hit by the impacts of climate change in the future. …

The Earth's surface temperature is steadily increasing due to the accumulation of greenhouse gases, a phenomenon known as global warming. Human activities are the root cause of this significant global issue. Reducing greenhouse gas (GHG) emissions is one of the most critical actions in climate change mitigation. Organizations can engage in activities that promote change and reduce greenhouse gases by acknowledging the significance of addressing climate change. By reducing GHG emissions and promoting the use of renewable energy, organizations can begin to address environmental issues. Therefore, the purpose of this investigation is to assess the reduction of GHG emissions in an educational institution by substituting electricity consumption from the electrical grid with renewable energy in the form of a solar PV rooftop on-grid system. The School of Renewable Energy's GHG emissions were assessed, covering three scopes of GHG emissions activities: direct emissions, indirect emissions, and other indirect emissions. The organization's activity data were collected over a 12-month period. Without installing a solar panel system, the organization reported total GHG emissions of 310.40 tCO2e, relying solely on imported electricity for internal use. The highest GHG emissions were from Scope 2, amounting to 239.38 tCO2e, primarily due to electricity importation. Scope 3 had the second highest GHG emissions, totaling 65.76 tCO2e, resulting from employee commuting and the use of purchased goods such as paper and tap water. Scope 1 had the lowest GHG emissions at 5.26 tCO2e, produced by the combustion of diesel and gasoline in both stationary and mobile sources, as well as CH4 emissions from the septic tank. The percentage of GHG emissions from Scope 2 activities was 77.12%, which was considered to have a significant environmental impact and contribute to global warming. This was because 478,851 kWh of electricity were imported. The installation of on-grid solar cells for power generation reduced imported electricity to 113,120 kWh. Consequently, GHG emissions from Scope 2 decreased to 56.55 tCO2e, leading to an overall reduction in the organization's GHG emissions to 127.57 tCO2e. The organization's GHG emissions decreased by 182.83 tCO2e as a result of using alternative energy to generate electricity. This assessment can serve as a database for educational institutions and prepare the government to report greenhouse gas emissions. Furthermore, it can serve as carbon credits for trading and exchanging carbon with other organizations to offset GHG emissions from various activities. In addition, it endorses the government's goal of achieving carbon neutrality and net zero emissions in the future.

During the 2000 presidential election, in that time before the September 11th terrorist attacks, the stump speeches of George W. Bush and his Democratic opponent, Al Gore, focused on protecting Social Security, saving American education, expanding Medicare, raising or lowering taxes, and readying the military. If science was mentioned at all, it was usually in the context of missile defense, global warming, or Gore’s role in creating the internet. With the exception of the debate over stem-cell research, science remains a background topic in the current campaign. Democratic candidate John Kerry has occasionally highlighted US science policy and used it against President Bush, charging that the administration has put politics and ideology ahead of science. “Let scientists do science again,” a headline on the Kerry election website says.Bush has responded, primarily through his science adviser, John Marburger, by pointing to the 44% increase in federal R&D since fiscal year 2001 and the record $132 billion in the administration’s FY 2005 R&D budget. “Kerry ignores President Bush’s record science investments,” reads a headline on the Bush reelection website.Kerry answers by noting that most of the R&D money is going for weapons systems and defense spending related to the war in Iraq, not basic science programs. Marburger and other administration officials point to several R&D initiatives, including new nanotechnology centers, the Moon/Mars space initiative, and the program to develop hydrogen fuel technology. In an effort to get the candidates to specifically address questions of interest to the science community, Physics Today has continued a tradition begun in 1976; it asked Bush and Kerry nine questions covering a range of science topics. Their answers, sometimes direct and sometimes vague, show fundamental differences on several key issues.On missile defense, Bush says his request of $10 billion in FY 2005 for development and deployment of such a system fulfills a pledge he made to the American people. Kerry says we should not be “falsely comforted by an untested and unproven defense system.”On global warming, Kerry talks of both near- and long-term programs to deal with the problem. Bush promotes his “comprehensive climate change strategy.” The candidates also address a host of other issues ranging from space exploration to energy policy. During the 2000 presidential election, in that time before the September 11th terrorist attacks, the stump speeches of George W. Bush and his Democratic opponent, Al Gore, focused on protecting Social Security, saving American education, expanding Medicare, raising or lowering taxes, and readying the military. If science was mentioned at all, it was usually in the context of missile defense, global warming, or Gore’s role in creating the internet. With the exception of the debate over stem-cell research, science remains a background topic in the current campaign. Democratic candidate John Kerry has occasionally highlighted US science policy and used it against President Bush, charging that the administration has put politics and ideology ahead of science. “Let scientists do science again,” a headline on the Kerry election website says.Bush has responded, primarily through his science adviser, John Marburger, by pointing to the 44% increase in federal R&D since fiscal year 2001 and the record $132 billion in the administration’s FY 2005 R&D budget. “Kerry ignores President Bush’s record science investments,” reads a headline on the Bush reelection website.Kerry answers by noting that most of the R&D money is going for weapons systems and defense spending related to the war in Iraq, not basic science programs. Marburger and other administration officials point to several R&D initiatives, including new nanotechnology centers, the Moon/Mars space initiative, and the program to develop hydrogen fuel technology. In an effort to get the candidates to specifically address questions of interest to the science community, Physics Today has continued a tradition begun in 1976; it asked Bush and Kerry nine questions covering a range of science topics. Their answers, sometimes direct and sometimes vague, show fundamental differences on several key issues.On missile defense, Bush says his request of $10 billion in FY 2005 for development and deployment of such a system fulfills a pledge he made to the American people. Kerry says we should not be “falsely comforted by an untested and unproven defense system.”On global warming, Kerry talks of both near- and long-term programs to deal with the problem. Bush promotes his “comprehensive climate change strategy.” The candidates also address a host of other issues ranging from space exploration to energy policy. 1Section:ChooseTop of page1 <<BushKerry2BushKerry3BushKerry4BushKerry5BushKerry6BushKerry7BushKerry8BushKerry9BushKerry Missile defense: The present administration is requesting more than $10 billion this year for development and deployment of a missile defense system. Many scientists say the system, given current and foreseeable technology, cannot be effective. What proof of effectiveness should be required before the system is fully deployed? Given the low-tech nature of terrorist attacks and the limited missile capabilities of North Korea and other hostile nations, does missile defense continue to be a wise investment? BushSection:ChooseTop of page1Bush <<Kerry2BushKerry3BushKerry4BushKerry5BushKerry6BushKerry7BushKerry8BushKerry9BushKerryOur policy is to develop and deploy, at the earliest possible date, a weapons system that would defend the United States homeland against nuclear attack, including ballistic missile defenses drawing on the best technologies available. Early in my administration, I called for the examination of the full range of available technologies and basing modes for missile defenses that could protect the United States, our deployed forces, and our friends and allies.The FY 2005 Defense Appropriations Act provides $10 billion that I requested for systems to defend against the threat from ballistic missiles. Later this year, the first components of America’s missile defense system will become operational, and we are on schedule for the next stages of the project. My administration will develop and deploy the technologies necessary to protect our people, fulfilling a pledge I made to the American people more than four years ago.KerrySection:ChooseTop of page1BushKerry <<2BushKerry3BushKerry4BushKerry5BushKerry6BushKerry7BushKerry8BushKerry9BushKerryA missile defense that works is a wise investment, but one that pours money into defenses at the expense of other immediate national security needs is not. And that’s what this administration has done. Missile defense should be one element of a comprehensive national security strategy. But a single-minded focus on this technology and the threat it is designed to meet ignores the very real danger of terrorism and our greatest danger—terrorists with weapons of mass destruction.John Edwards and I will be committed to developing a missile defense system that works, is fully tested, and geared to the threats we face. But I will refocus our efforts on preventing the spread of nuclear, biological, and chemical weapons and dramatically accelerating the security of nuclear weapons and material in Russia and around the world. We will not sit by, falsely comforted by an untested and unproven defense system, while these threats continue to fester.2Section:ChooseTop of page1BushKerry2 <<BushKerry3BushKerry4BushKerry5BushKerry6BushKerry7BushKerry8BushKerry9BushKerry Climate change: Virtually all reputable research in recent years has reinforced the scientific conclusion that global warming is a real and growing crisis caused, at least in part, by the burning of fossil fuels. Do you accept that scientific consensus? Under what circumstances would you regulate carbon dioxide and other greenhouse gas emissions? BushSection:ChooseTop of page1BushKerry2Bush <<Kerry3BushKerry4BushKerry5BushKerry6BushKerry7BushKerry8BushKerry9BushKerryGlobal climate change is a serious long-term issue. In 2001, I asked the National Academy of Sciences (NAS) to provide the most up-to-date information about the science of climate change. The academy found that considerable uncertainty remains about the effect of natural fluctuations on climate and the future effects climate change will have on our environment.My administration is now well along in implementing a comprehensive climate change strategy to advance the science, expand the use of transformational energy and carbon sequestration technologies, and mitigate the growth of greenhouse gas emissions in the United States and in partnership with other nations. I created the new US Climate Change Science Program (CCSP) to refocus the federal government’s climate research programs, for which my 2005 budget seeks nearly $2 billion to fund research across the federal government. The NAS endorsed the CCSP strategic plan, noting that it “articulates a guiding vision, is appropriately ambitious, and is broad in scope.”I also committed the nation to a goal of reducing American greenhouse gas intensity by 18% over the next 10 years, which would prevent more than 500 million tons of carbon emissions through 2012. To help achieve this goal, I created the Climate Vision program in 2003 to reduce the growth of greenhouse gas emissions by energy-intensive industrial sectors. Participants in the Climate Vision program account for between 40 and 45% of US greenhouse gas emissions. I have strongly supported over $4 billion in tax incentives for renewable and energy-efficient technologies, including wind and solar energy and hybrid and fuel-cell vehicles. Also, in April 2003, my administration raised the fuel economy standards for light trucks and SUVs [sport utility vehicles] for the first time since 1996, saving 3.6 billion gallons of gasoline. And in my 2003 State of the Union [address], I announced a $1.7 billion hydrogen fuel initiative to accelerate research that could lead to hydrogen-powered, no-emission vehicles within a generation.Additionally, my administration is participating in robust international partnerships to promote clean, renewable, commercially available fusion energy and to construct the $1 billion FutureGen project, which will test the latest technologies to generate electricity, produce hydrogen, and sequester greenhouse gas emissions from coal. KerrySection:ChooseTop of page1BushKerry2BushKerry <<3BushKerry4BushKerry5BushKerry6BushKerry7BushKerry8BushKerry9BushKerryI recognize the risk of climate change, and I have outlined a balanced set of programs that will have impact both in the near term and over the long term. My plan will also provide balanced support for technology that can increase the efficiency and cut greenhouse emissions in transportation systems, buildings, and industry that are attractive to consumers and US producers. Our programs will encourage the use of renewable fuels such as ethanol and renewable electric generation that produce little or no net greenhouse gases. I will expand the production tax credit for wind and biomass energy to cover the full array of renewable energy sources and increase Department of Energy (DOE) research into renewable energy sources and their applications. And I will propose an aggressive program of research, standards, and incentives to accelerate electric generation from renewable energy. Clean coal technology can play a critical role, given technology to cut carbon dioxide emissions.My plan would encourage energy efficiency with programs such as updated fuel efficiency standards, new tax incentives for automakers to build the new, more efficient automobiles of the future, and tax incentives for families to purchase more energy-efficient cars, trucks, and SUVs.3Section:ChooseTop of page1BushKerry2BushKerry3 <<BushKerry4BushKerry5BushKerry6BushKerry7BushKerry8BushKerry9BushKerry Science investment: There is concern in the science and economic communities that the US is losing its world leadership in the sciences, which they say bodes ill for future economic growth and global competitive-ness. To address that concern, should the US increase funding for basic science, and should the administration fully fund the 2001 bill, signed by the president, to double NSF’s budget? How would you reinvigorate science education for US-born students? What is the role of foreign scientists and students in the US scientific enterprise? BushSection:ChooseTop of page1BushKerry2BushKerry3Bush <<Kerry4BushKerry5BushKerry6BushKerry7BushKerry8BushKerry9BushKerryIncluding my FY 2005 budget request, total federal R&D investment during the first term will have increased 44% to a record $132 billion in 2005. My FY 2005 budget request commits 13.5% of total discretionary outlays to R&D, the highest level in 37 years. In the context of the overall economy, federal R&D spending in the FY 2005 budget is the greatest share of GDP [gross domestic product] in over 10 years. Funding for basic research, the fuel for future technology development, is at an all-time high of $26.8 billion in FY 2005, a 26% increase over FY 2001. Funding for NSF during the four years of my administration has increased 30% over FY 2001 to $5.7 billion in FY 2005. NSF’s broad support for basic research, particularly at US academic institutions, provides not only a central source for discovery in many fields but also encourages and supports development of the next generation of scientists and engineers. Moreover, in fulfilling its mission, NSF has used its funding efficiently and effectively.As for the American scientific enterprise, it is important in this information and technological age that our students receive a first-rate science education, just as they receive quality instruction in reading, writing, and math. The federal government has no control over local curricula, and it is not my job to tell states and local boards of education what they should teach in the classroom. Nevertheless, the No Child Left Behind Act, one of my proudest legislative achievements this term, is improving our schools and, consequently, the teaching of science. NCLB requires, for the first time, assessments in science to give us better information about how our students are performing and how to improve instruction in science. I have also proposed creating the Presidential Math and Science Scholars Fund to provide $100 million in grants to low-income students who study math or science. This will ensure that America’s graduates have the training they need to compete for the best jobs of the 21st century.I also value the contributions that foreign scientists and students make to our nation’s scientific enterprise, while recognizing the importance of safeguarding our security. We will continue to welcome international students and scientists while implementing balanced measures to end abuses of the student visa system. My administration has already achieved several notable successes in reducing delays now being experienced by some visa seekers. We have increased security while speeding up the clearance process; approximately 1000 back-logged applications have already been cleared out.KerrySection:ChooseTop of page1BushKerry2BushKerry3BushKerry <<4BushKerry5BushKerry6BushKerry7BushKerry8BushKerry9BushKerryFor three years, the Bush administration has squandered America’s leadership in the world, putting politics before science and doing nothing to create jobs while our workers fall further behind. The administration has proposed cuts for scientific research and grossly distorted and politicized science on issues from mercury pollution to stem-cell research. This approach not only limits the research that our scientists are doing today, it undermines important discoveries of tomorrow and threatens America’s critical edge in innovation. I will reverse this course by restoring America’s scientific leadership, helping find new cures, moderating healthcare costs, and developing new technologies that will create good jobs. I will boost support for the physical sciences and engineering by increasing research investments in agencies such as NSF, the National Institutes of Health, DOE, NIST, and NASA. This funding will help with the broad areas of science and technology that will provide the foundations for economic growth and prosperity in the 21st century.4Section:ChooseTop of page1BushKerry2BushKerry3BushKerry4 <<BushKerry5BushKerry6BushKerry7BushKerry8BushKerry9BushKerry Nuclear weapons: Does the US need to develop a new class of nuclear weapons to deal with the changing threats of the 21st century? Is there any circumstance in which you would support the resumption of nuclear testing? BushSection:ChooseTop of page1BushKerry2BushKerry3BushKerry4Bush <<Kerry5BushKerry6BushKerry7BushKerry8BushKerry9BushKerryThe Nuclear Posture Review, released by my administration in January 2002, noted that the nation’s nuclear infrastructure had atrophied since the end of the cold war and that the evolving security environment requires a flexible and responsive weapons complex infrastructure. To that end, my FY 2005 budget reflects an increase over the 2004 enacted level in the weapons activities account, which encompasses the stockpile stewardship programs. There is no current need for testing due to the sophistication of computer modeling and other new technologies, but we must maintain the capability to test in case such testing becomes necessary in the future to ensure the safety and reliability of our defensive arsenal. We have not identified any need for developing new nuclear weapons. KerrySection:ChooseTop of page1BushKerry2BushKerry3BushKerry4BushKerry <<5BushKerry6BushKerry7BushKerry8BushKerry9BushKerryNo, and a Kerry–Edwards administration will stop this administration’s program to develop a new class of nuclear weapons. This is a weapon we don’t need, and it undermines our ability to persuade other nations to forego development of these weapons.5Section:ChooseTop of page1BushKerry2BushKerry3BushKerry4BushKerry5 Nuclear There is serious concern many that could or a nuclear in a US Do you the US is doing to and control of nuclear weapons and material both in the US and BushSection:ChooseTop of administration in has more to and control nuclear weapons and material than US weapons and are and both the Department of Defense and are to make more My administration has increased funding to weapons and material in the Union and has by years the schedule the administration for security in We are with Russia to end the production of and to weapons for of weapons. the my administration the to or and material We have already weapons material from several our in its for nuclear weapons. To against we the international in a global effort to account and of sources that could be used in such We activities in over 40 on this as well as with international the Energy the the and the of Defense we have dramatically our ability to that could be a threat to us and to our friends and my administration the billion initiative to support and nuclear safety in the This of the international is to a more of nation’s highest must be preventing from to nuclear weapons and the material to make We must in a global partnership with other nations to prevent the spread of these weapons. the Bush administration’s have in the have the we need to advance our security. September they have not nearly to and on the while the nuclear from and North Korea have Our security requires an immediate change of I have proposed a comprehensive strategy to of weapons and including an of programs to all nuclear weapons and within the and at research in the within four production of new material for nuclear weapons by a global on production of new of nuclear weapons and by development of the new generation of nuclear accelerating in US and nuclear and reducing of in nuclear weapons programs in hostile including by with North Korea to ensure the and of its nuclear weapons program and a global effort to prevent from the necessary to build nuclear weapons. international efforts to by and and as well as improving the security a presidential to prevent nuclear terrorism who will focus on a effort to all nuclear weapons and around the world and prevent a nuclear terrorist of Energy than of and have not in a comprehensive US energy policy. years into the future, what do you the US energy should How would you the US in that BushSection:ChooseTop of and energy is critical to America’s and homeland security. We will be more and more we are on foreign sources of energy. The of a comprehensive and balanced national energy policy has been one of my During my first in I proposed a national energy policy that would our energy production and systems, reduce our on foreign promote efficiency and increase domestic production from all of energy including renewable energy and continue to our economy and create new jobs. We will continue to with on the energy to the administration has nearly all of the more than in the comprehensive national energy policy that not as increasing reliability R&D to help prevent and the to its of million to provide energy security in case of of have proposed an program of research, and standards that would increase the efficiency of energy use and use of new energy sources that can ensure a and while reducing the risk of climate change. The program would be supported in by a billion energy security and from federal and gas the in by I have to around the and a of that can meet US needs both in the term and for in the Given the long time required to over energy investments such as of and trucks, industrial and we must a broad set of new technologies as as possible we have any of US energy use in the near term, many of the most control systems, and other technologies to improve the energy of buildings, and industrial that the US to reduce its on from the and I will set for fuels such as I will support research and incentives that will dramatically increase use of from wind and other renewable And I will encourage development of technology and nuclear generation with high standards for stewardship and of Nuclear recent by that nuclear is the best energy source to meet the US while protecting the renewable energy can be deployed on a Do you increasing the use of nuclear If what would you do with the BushSection:ChooseTop of support the further development of nuclear technologies as a clean, and to meet this nation’s future energy Nuclear for of our This which no pollution or greenhouse gas can play an expanding role in our energy future while the we with energy national energy policy several to encourage increased use of nuclear and to the that through the Nuclear my administration is with industry to the for an of a new US nuclear within the next years. through the the United States is with around the to develop a next generation of more and more nuclear that can also produce hydrogen and my administration has made a to the nuclear and the of a long-term at We are ahead with the of a to the Nuclear at the end of this administration is also committed to and in new technologies that will change the we generate I committed the United States to the international fusion energy as in is a important to test the of nuclear fusion as a source of and the of a nearly source of energy the that long-term of Nuclear can play an role in energy while reducing the risk of climate key such as nuclear nuclear and security must be John Edwards and I will ensure safety and science We George Bush’s plan to over the of a Kerry–Edwards administration will on science. John Edwards and I do not support as a nuclear and will that nuclear and transportation only on the of science and that to and the John Edwards and I will George Bush and to from a for an NAS study to is the as to long-term and or some other technology. an international to scientific for nuclear and nuclear from terrorist John Edwards and I will improve and security at nuclear In we will nuclear to to improve including measures to reduce to the an of National National Nuclear the national weapons continue to be with security spending and What would you to improve at the Does the current plan of the to the risk of the in the of the war on BushSection:ChooseTop of national are doing to deal with the threats of the 21st are a in our efforts to improve homeland are the source of technological and are helping the war on With their at the highest level in years, National National and National are also on the edge of defense research, protecting the nation’s infrastructure from terrorist attacks, and developing a that the of a nuclear This is we billion on weapons research and production in FY 2004 and I for billion for We must and security My administration has made effort to improve the the weapons do and one of efforts is that in all areas of central to the war on we can use our more and focus on his or of national play a critical role in our nuclear weapons stockpile and that our nation’s nuclear weapons are and The national also have an important role in preventing the spread of weapons of mass and in science for our nation’s have a of our nation’s but this record has been by and security at the has been John Edwards and I are committed to and and restoring the at these critical national of is being to the long-term of to the and Many scientists the will money from science How do you the importance of science exploration What is the funding between the BushSection:ChooseTop of I announced my for the future of America’s space exploration this will the of both and science will as to the and other vehicles continue to their and of to we have systems on and around a system and one on its to the for cannot be by the most or the most We need to and and for And only are of to the by space we our on the we are developing a new exploration to our This will be by and its first no than will to the as as and no than and use it as a for the We will with to the and for future will with the goal of and there for of Edwards and I will continue America’s long tradition of leadership in and space exploration as of a program to broad for this will not to programs such as the Bush administration’s Program that from in the with no or will in new programs to set by scientific in and other Our administration will on the of the scientific to the most for research and the most for these the of or are most to the 2004 American of

Energy-related activities are a major contributor of greenhouse gas (GHG) emissions. A growing body of knowledge clearly depicts the links between human activities and climate change. Over the last century the burning of fossil fuels such as coal and oil and other human activities has released carbon dioxide (CO2) emissions and other heat-trapping GHG emissions into the atmosphere and thus increased the concentration of atmospheric CO2 emissions. The main human activities that emit CO2 emissions are (1) the combustion of fossil fuels to generate electricity, accounting for about 37% of total U.S. CO2 emissions and 31% of total U.S. GHG emissions in 2013, (2) the combustion of fossil fuels such as gasoline and diesel to transport people and goods, accounting for about 31% of total U.S. CO2 emissions and 26% of total U.S. GHG emissions in 2013, and (3) industrial processes such as the production and consumption of minerals and chemicals, accounting for about 15% of total U.S. CO2 emissions and 12% of total ...

Electricity consumption will encompass a large converse about connected with international electricity demand while in the next 2 decades. Newly, this improving rate connected with fossil fuels and also issues about the environmentally friendly consequences connected with gas emissions get renewed the attention in the progress connected with alternative electricity resources. Renewable Energy Sources and Climate Change Modify Minimization offers a good estimation on the chapter for the technological, scientific, environmentally friendly, financial and also societal aspects of this factor connected with six renewable energy (RE) options for the minimization connected with weather adjust. This functioning chapter on environmentally friendly Energy Solutions and Local climate Change Minimization presents an assessment on the literature for the scientific chemical, technological, environment, economic in addition to social areas of the contribution connected with six environmentally friendly energy (RE) sources on the mitigation connected with climate alter. This chapter is definitely an overview of presentation of the Local climate Change Minimization expansion on the essential results. Considering this significant component of Renewable Energy Sources can be reduce carbon dioxide, there is an international relating to reducing carbon emissions. Due to the fact most of the United Nations wanted to greenhouse gas (GHG) emissions is carbon dioxide, there is a can be a global concern on minimizing carbon emissions. Emissions of greenhouse gases (GHGs) resulting from the provision of the services of one have contributed significantly to improve the historical concentrations of greenhouse gases to the atmosphere of MIT. The IPCC (AR4) concluded that “most of the observed global climate improving as it is very likely that as a result of the improvement observed in the concentrations of anthropogenic gases mit techniques this mid of 20th century confirms Recent Files the use of fossil power accounts for most of the international anthropogenic GHG emissions”. Emissions always grow, in addition to CO2 concentrations of it had increased to more than 390 ppm, or perhaps 39% above pre-industrial levels, by holding from 2014-5. There are many options for reducing GHG emissions from energy system while satisfying the desire for global energy services. Some of these possible alternatives, such as energy conservation and competition, switching fossil fuel, RE, nuclear, plus carbon capture and hard drive (CCS) was evaluated from the AR4. A full assessment related to any profile minimization options will likely involve an evaluation of respective potential alongside minimization with his bargain with sustainable development as well as all associated risks, and costs. This phase will focus on the role that this display technology related to RE can participate in within the portfolio related to mitigation alternatives. In this sense, the only policies can be given to reduce emissions of carbon dioxide, to improve the implementation of green energy, and such encouraging technological innovation. At inclusion, supporting components, such as feed-in tariffs, rules Renewable side view in addition to tax insurance policies are used by governments to help develop green energy generation in addition to the implementation of the efficiency of energy use save energy. In this chapter, the various insurance policies could possibly be placed on reducing carbon emissions, for instance improving green energy deployment and also significant technologies. A pair of main clarifications may be realizing to scale back carbon emissions and also overcome the issue connected with weather adjust: exchange fossil fuel having green electricity options wherever possible and also enhancing energy proficiency. In this chapter, many of us discuss most up-to-date performance connected with technology intended for improving green electricity deployment and also electricity work with proficiency.

Bioenergy from perennial grasses mitigates climate change via displacing fossil fuels and storing atmospheric CO2 belowground as soil carbon. Here, we conduct a critical review to examine whether increasing plant diversity in bioenergy grassland systems can further increase their climate change mitigation potential. We find that compared with highly productive monocultures, diverse mixtures tend to produce as great or greater yields. In particular, there is strong evidence that legume addition improves yield, in some cases equivalent to mineral nitrogen fertilization at 33–150 kg per ha. Plant diversity can also promote soil carbon storage in the long term, reduce soil N2O emissions by 30%–40%, and suppress weed invasion, hence reducing herbicide use. These potential benefits of plant diversity translate to 50%–65% greater life-cycle greenhouse gas savings for biofuels from more diverse grassland biomass grown on degraded soils. In addition, there is growing evidence that plant diversity can accelerate land restoration. Bioenergy from perennial grasses mitigates climate change via displacing fossil fuels and storing atmospheric CO2 belowground as soil carbon. Here, we conduct a critical review to examine whether increasing plant diversity in bioenergy grassland systems can further increase their climate change mitigation potential. We find that compared with highly productive monocultures, diverse mixtures tend to produce as great or greater yields. In particular, there is strong evidence that legume addition improves yield, in some cases equivalent to mineral nitrogen fertilization at 33–150 kg per ha. Plant diversity can also promote soil carbon storage in the long term, reduce soil N2O emissions by 30%–40%, and suppress weed invasion, hence reducing herbicide use. These potential benefits of plant diversity translate to 50%–65% greater life-cycle greenhouse gas savings for biofuels from more diverse grassland biomass grown on degraded soils. In addition, there is growing evidence that plant diversity can accelerate land restoration.

Renewable energy is commonly seen as an essential strategy for sustainability. Many governments, however, have sustainable energy or sustainability strategies that place little emphasis on renewable energy. One reason is that despite acceptance of the concept of sustainable development as a concept, the reality is that economic growth remains the dominant policy objective of most governments and sustainability and sustainable development are such ill‐defined concepts that lack of precise definition often confuses the debate. Climate change, however, is one issue for which the meaning over what is sustainable and what is unstainable has become clearer and the need to balance economic growth with reductions in greenhouse gas emissions has become urgent. The question of by when, by what means, by how much and by whom GHG emissions need to be reduced are now the critical questions. The question of the extent to which renewable energy is essential to the goal of reducing emissions therefore has become more pressing. Some governments continue to see renewable energy as an expensive and unnecessary option and that other, lower cost options for reducing greenhouse gas emissions from the energy sector exist. Western Australia makes an interesting case study as the State is experiencing rapid economic growth supported by rapidly increasing energy use and greenhouse gas emissions. Policies to date have focused on the fact that the state relies heavily on natural gas rather than coal and encourages the efficient use of energy. Western Australia's energy situation and greenhouse gas emissions strategies are reviewed in order to assess the extent to which this greenhouse gas reduction policy that has to date placed a relatively low emphasis on renewable energy is likely to be successful.