Absence Of Remedy Research Articles

ACCUMULATION OF TRACE ELEMENTS IN SOIL AND FAUNA WITHIN A SITE HISTORICALLY CONTAMINATED WITH COAL COMBUSTION RESIDUES.

Legacy contaminants tied to energy production are a worldwide concern. Coal combustion residues (CCRs) contain high concentrations of potentially toxic trace elements such as arsenic (As), mercury (Hg), and selenium (Se), which can persist for decades after initial contamination. CCR disposal methods, including aquatic settling basins and landfills, can facilitate environmental exposure through intentional and accidental releases. Wildlife exposed to CCRs can experience numerous deleterious effects, such as on development, reproduction, and survival. In the current study, we quantified and compared concentrations of As, Hg, Se, and strontium (Sr) within soils and target fauna (three vertebrate and three invertebrate taxa) from a CCR-contaminated site and a reference site within the U.S. Department of Energy's Savannah River Site, South Carolina, USA. Our objectives were to 1) compare current concentrations of tested elements in soil and resident fauna to levels from our reference site, 2) assess natural attenuation of elements in soils by comparing current concentrations to historic levels, and 3) evaluate the biomagnification potential of the elements measured via body burden and trophic position correlations among fauna. Element concentrations were higher in contaminated soils than reference soils; however, concentrations in 2022 were unchanged from concentrations measured in 2003, suggesting no natural attenuation of tested elements. Additionally, target fauna had elevated As, Se, and Sr levels in comparison to reference samples. A positive correlation was observed in southern toads between Sr concentrations and trophic position, as assessed by nitrogen stable isotope ratios, suggesting potential for biomagnification of Sr within our study system. Collectively, our results demonstrate that legacy contaminants are still present and bioaccumulate in a diversity of taxa in a CCR-contaminated site that has not received effluents in over 50 years, suggesting monitoring programs in CCR-contaminated sites should be maintained long term in the absence of remediation.

Traditional Medicine “Ayurveda” Guidelines against COVID-19 Addressing Ayush Ministry Protocol

The new coronavirus (Covid-19) has spread to nearly every country in the world, till now there is no specific treatment, and the work to develop a vaccine is accelerating but it is unlikely to be available until next year. Doctors and researchers are concentrating that a central player in the fight against the novel coronavirus is the immune system that it can even be helpful for its therapy, since that the virus is important, but the host response is at least as important, if not more important in this situation with absence of remedy it is essential for the shift of complementary and traditional medicine from the marginal status it holds to a significant role in international health care , whereas Ayurveda main goal is to promote good health, not fight disease. Ayush ministry considered that and released one protocol to boost immune human system (both physical and psychological) to win the battle, this article is a try to address the guidelines of this protocol by explaining it.

Education: The Key to Curb HIV and AIDS Epidemic

Overwhelming impact has been established among different aspects and burden of incurable HIV and AIDS is increasing day-by-day globally. The aim of this article is to discuss the potential benefits and strengths of an education system in the absence of remedy and help to develop future strategies. Education has great impact on HIV and AIDS and vice-versa. An education plays a vital role to curb the transmission of HIV and AIDS thorough capacity building, provides information, reduces vulnerability, empowerment, improve life skill, maintain equity, reduce dependence, stigma, and discrimination, where are abundance foundations for HIV infection. HIV and AIDS has role for devastation of education system and level which has great impact on productivity, economic growth, demand, supply and daily life of human being. Low and middle income countries needs to be improve recording and reporting systems related to impact of HIV and AIDS on education. By analyzing preceding evidences, policy makers or governance feels to reformulate policies relating to education and health. Evidence based policy and program will be more useful to address distressing squall of epidemic.

Key factors for determining groundwater impacts due to leakage from geologic carbon sequestration reservoirs

In this paper we describe potential impacts to groundwater quality due to CO2 and brine leakage, discuss an approach to calculate thresholds under which “no impact” to groundwater occurs, describe the time scale for impact on groundwater, and discuss the probability of detecting a groundwater plume should leakage occur. To facilitate this, multi-phase flow and reactive transport simulations and reduced-order models were developed for two classes of aquifers, considering uncertainty in leakage source terms and aquifer hydrogeology. We targeted an unconfined fractured carbonate aquifer based on the Edwards Aquifer in Texas and a confined alluvium aquifer based on the High Plains Aquifer in Kansas, which share characteristics typical of many drinking water aquifers in the United States. The hypothetical leakage scenarios centered on the notion that wellbores are the most likely conduits for brine and CO2 leaks. Leakage uncertainty was based on hypothetical injection of CO2 for 50 years at a rate of 5 million tons per year into a depleted oil/gas reservoir with high permeability and, one or more wells provided leakage pathways from the storage reservoir to the overlying aquifer. This scenario corresponds to a storage site with historical oil/gas production and some poorly completed legacy wells that went undetected through site evaluation, operations, and post-closure.For the aquifer systems and leakage scenarios studied here, CO2 and brine leakage are likely to drive pH below and increase total dissolved solids (TDS) above the “no-impact thresholds”; and the subsequent plumes, although small, are likely to persist for long periods of time in the absence of remediation. In these scenarios, however, risk to human health may not be significant for two reasons. First, our simulated plume volumes are much smaller than the average inter-well spacing (1–2.6wells/km2) for these representative aquifers, so the impacted groundwater would be unlikely to be pumped for drinking water. Second, even within the impacted plume volumes little water exceeds the primary maximum contamination levels. These observations point to:•The potential utility of uncertainty quantification methods to evaluate the risk of leakage and inform monitoring and corrective action plans of a potential site for long-term CO2 storage by capturing storage reservoir, leakage pathway, and aquifer heterogeneity.•The importance of establishing baseline groundwater chemistry that captures the pre-injection variability of underground sources of drinking water (USDW) above the reservoir because the EPA has adopted a “no net degradation” policy toward the protection of groundwater resources.•The need to test and develop spatially diverse monitoring techniques capable of detecting leakage early to employ effective mitigation strategies, and more importantly to add confidence to assessments used to evaluate the length of the post-injection site care. In our study, the probability of detecting plumes using existing wells to sample the groundwater chemistry was very low, because the plumes were relatively small in both aquifers.•The need to develop methodologies that prevent and/or directly detect leakage prior to reaching USDWs, because our simulations predict that even small amounts of CO2 and brine, when left unmitigated, can change USDW pH and TDS concentrations for long periods of time.