Abstract
Jeju Island experienced an approximately 42% increase in energy consumption from 2006 to 2015 and the demand for energy consumption is expected to continue to increase. Thus, Jeju Island is planning a project entitled “Carbon Free Island by 2030” to promote sustainable development and is required to estimate the environmental carrying capacity for future energy demand changes. The purpose of this study was to calculate the emergy inherent in Jeju Island’s energy, materials, and information in 2015 using the emergy analysis method and local characteristics. In addition, this study aimed to estimate the emergy indices to evaluate the environmental carrying capacity for sustainable development in 2005, 2015, and 2030 considering the future energy demand. This study’s outputs provide the environmental carrying capacity with emergy indices, such as the percent renewable (%Renew), emergy yield ratio (EYR), environmental loading ratio (ELR), sustainability index (SI), and carrying capacity of the population (CCP) for social and economic activities on Jeju Island, which are expected to be saturated. These findings show regions with heavy tourism require development strategies, including the concept of environmental carrying capacity.
Highlights
The energy industry has a significant effect on the economic development of cities and nations, which is inevitably accompanied by an increase in energy consumption [1]
This amount corresponded to about 279 times the energy of the wave item; after examining the contribution of emergy, it was found that the contribution of the rain, wind, and sun items was less than the contribution of the wave item, which had the highest emergy in Renewable Energy (RE) (2.43 × 1021 sej/year)
The present study was conducted to estimate the emergy of Jeju Island in 2015 and to evaluate the environmental carrying capacity for the sustainable development of Jeju Island through an emergy comparison of 2005, 2015, and 2030
Summary
The energy industry has a significant effect on the economic development of cities and nations, which is inevitably accompanied by an increase in energy consumption [1]. It is difficult to respond to the rapidly increasing energy demand because energy is difficult to store [2]. To resolve this issue, the Korean government has attempted to cope with the growing energy demand by implementing various energy policies. The Korean government has attempted to cope with the growing energy demand by implementing various energy policies These policies can be implemented without adversely affecting the economy, but the outcomes of the policies may differ depending on the analysis period and the characteristics of the target [3]. Due to air pollution and global warming caused by the use of fossil energy, the sustainability of Jeju Island’s development is threatened [2]
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