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Articles 271 - 293 of 293
Full-Text Articles in Environmental Sciences
Proposal For Establishing Wide-Area Virtual Power Plant Based On Pv-Dominated Energy And Physical Energy Storage System, Liye Xiao, Jiaofeng Pan
Proposal For Establishing Wide-Area Virtual Power Plant Based On Pv-Dominated Energy And Physical Energy Storage System, Liye Xiao, Jiaofeng Pan
Bulletin of Chinese Academy of Sciences (Chinese Version)
The key issues to achieve the "dual carbon" goals mainly involve three aspects:the structure of energy and power supply, the development of energy storage technology and the construction of new power system. Combined with the specific situation of China, this study analyzes and forecasts the power supply structure dominated by renewable energy; Considering the characteristics and development needs of renewable energy, the viewpoint and idea are put forward to develop physical energy storage, especially underground energy storage engineering, to meet the large-scale energy storage needs of power grid. On this basis, the overall idea is suggested for constructing wide area …
Serving Beijing 2022 Olympic Winter Games And Developing Ice And Snow Industry: Application And Extension Of Cryospheric Science, Dahe Qin, Cunde Xiao, Minghu Ding, Feiteng Wang, Zhiqiang Zhu, Shuiqing Yin, Jiawen Ren
Serving Beijing 2022 Olympic Winter Games And Developing Ice And Snow Industry: Application And Extension Of Cryospheric Science, Dahe Qin, Cunde Xiao, Minghu Ding, Feiteng Wang, Zhiqiang Zhu, Shuiqing Yin, Jiawen Ren
Bulletin of Chinese Academy of Sciences (Chinese Version)
Cryospheric Science, as an emerging interdisciplinary research field combining natural science and humanity, aims to understand nature's law, serve human society and promote sustainable development. In recent years, by deepening the understanding of the cryosphere elements and the whole sphere, and by expanding the application research of cryospheric science, the Chinese community of cryospheric science has developed by leaps and bounds and realized the crossover from the traditional basic research to serving the major national needs, which marks the increasing maturity of the discipline. The Beijing 2022 Olympic Winter Games is a major landmark event at an important historical time …
Green Consumption Under Carbon-Orientated: Connotation, Transmission Mechanism And Countermeasures, Hongchun Zhou, Zuoting Shi
Green Consumption Under Carbon-Orientated: Connotation, Transmission Mechanism And Countermeasures, Hongchun Zhou, Zuoting Shi
Bulletin of Chinese Academy of Sciences (Chinese Version)
As the proportion of consumption to GDP increases and its role in stimulating economic growth in China, the impact of residents' consumption has apparently become increased on resources, the environment and carbon dioxide emissions. Production is for consumption, and consumption in turn promotes production; consumption determines production and also guides the direction and development trend of production. Green consumption is not only a consumer's responsibility, but also higher requirements for producers:the entire process from raw material procurement, product production and transportation, product use, second product recycling, and final disposal must be low-carbon standards. It is very significant important to promote …
Perspective On Challenges In Accurately Estimating Remaining Carbon Budget For Climate Targets Of Paris Agreement, Tianjun Zhou, Xiaolong Chen
Perspective On Challenges In Accurately Estimating Remaining Carbon Budget For Climate Targets Of Paris Agreement, Tianjun Zhou, Xiaolong Chen
Bulletin of Chinese Academy of Sciences (Chinese Version)
In 2015, by signing up to the Paris Agreement on climate change, the United Nations Framework Convention on Climate Change (UNFCCC) parties pledged to keep global temperatures "well below" 2℃ above pre-industrial levels and to "pursue efforts to limit the temperature increase even further to 1.5℃". Limiting warming to 1.5℃/2℃ requires strictly limiting the total amount of carbon emissions between now and the end of the century. Global mean surface temperature has already witnessed a 1℃ more warming since the pre-industrial era and the cumulative anthropogenic CO2 emission has reached around 2 390 Gt CO2. An accurate estimation of the …
Alert To The Migration Of Air Pollution And Carbon Emission To Northwest China, Guiqian Tang, Yuting Liu, Wenkang Gao, Yinghong Wang, Tao Song, Mengtian Cheng, Yuesi Wang
Alert To The Migration Of Air Pollution And Carbon Emission To Northwest China, Guiqian Tang, Yuting Liu, Wenkang Gao, Yinghong Wang, Tao Song, Mengtian Cheng, Yuesi Wang
Bulletin of Chinese Academy of Sciences (Chinese Version)
Air pollutants have strong homology with greenhouse gases and are closely related to fossil fuel combustion. The high-intensity energy use in the eastern region of China has turned this region into a hot area of carbon dioxide emission and heavy air pollution in the past. Since the implementation of the Action Plan for the Prevention and Control of Air Pollution, the adjustment of industrial structure and the improvement of terminal treatment technology have been driving the succession of key species of air pollution and the spatio-temporal distribution of greenhouse gases in China. This paper analyzes the trend in major air …
Experiment And Simulation Platform For Oasis-Desert Symbiotic Relationship (Odp), Yan Li, Xinjun Zheng, Yuguang Wang, Guiqing Xu, Ran Liu
Experiment And Simulation Platform For Oasis-Desert Symbiotic Relationship (Odp), Yan Li, Xinjun Zheng, Yuguang Wang, Guiqing Xu, Ran Liu
Bulletin of Chinese Academy of Sciences (Chinese Version)
Junggar Basin is a typical arid inland region in the northern temperate zone of the Earth. The surrounding high mountains form runoff, which flows into the basin and develops oasis. Oasis and desert are interdependent. Oasis needs to leach out its naturally accumulated salts through drainage. This drainage provides water and nutrients to desert vegetation. Desert vegetation, in turn, provides an ecological protection for oasis. Hence, oasis and desert have a symbiotic relationship. With excessive exploitation of land and water resources with water-saving technologies, salts cannot be leached out of the oasis region anymore. As a result, the groundwater level …
Energy Revolution Under Vision Of Carbon Neutrality, Zhen Huang, Xiaomin Xie
Energy Revolution Under Vision Of Carbon Neutrality, Zhen Huang, Xiaomin Xie
Bulletin of Chinese Academy of Sciences (Chinese Version)
Climate change has emerged as one of the major challenges faced by mankind. It has become a non-traditional global security issue, which causes a serious threat to the survival of human being and sustainable development. China's commitment to peak carbon emissions by 2030 and achieve carbon neutrality by 2060 has important strategic significance for building a modern socialist country with harmonious coexistence between human and nature. Facing the challenge of China's carbon peak and carbon neutrality, this study proposes, through energy revolution, to promote electric decarbonization and zero carbonization power and zero carbonization fuel on the energy supply side, and …
Path Of Digital Technology Promoting Realization Of Carbon Neutrality Goal In China’S Energy Industry, Xiaohong Chen, Dongbin Hu, Wenzhi Cao, Wei Liang, Xuesong Xu, Xiangbo Tang, Yangjie Wang
Path Of Digital Technology Promoting Realization Of Carbon Neutrality Goal In China’S Energy Industry, Xiaohong Chen, Dongbin Hu, Wenzhi Cao, Wei Liang, Xuesong Xu, Xiangbo Tang, Yangjie Wang
Bulletin of Chinese Academy of Sciences (Chinese Version)
In the era of digital economy, digital technology is the best tool to achieve China's goal of carbon neutrality. The energy industry is the largest source of carbon emissions in China, and how to use digital technology to peak the carbon dioxide emissions and achieve carbon neutrality goal in energy industry has attracted widespread attention. The article first explains the important strategic role of digital technology in carbon neutrality, and then analyzes the related theoretical research and application progress of digital technology and carbon emission reduction in the literature, revealing the problems of current digital technology applied to carbon neutrality …
Toward Carbon Neutrality: Circular Economy Approach And Policy Implications, Wendong Wei, Zhujun Chen, Yong Geng, Wenqiu Cai, Hanbin Liu
Toward Carbon Neutrality: Circular Economy Approach And Policy Implications, Wendong Wei, Zhujun Chen, Yong Geng, Wenqiu Cai, Hanbin Liu
Bulletin of Chinese Academy of Sciences (Chinese Version)
It is challenging to promote global climate change governance under the current complicated international contexts. As a country with the largest carbon emission, China has committed to achieve carbon peak by 2030 and carbon neutrality by 2060. However, carbon neutrality is a complex system engineering and relies on the implementation of circular economy. Based upon “3R” principles of reduce, reuse, and recycle, this study investigates the internal relations between circular economy and carbon neutrality and identifies the key position of circular economy in achieving carbon neutrality targets. Several policy implications are raised to help promote the development of circular economy …
Analysis On Transformation And Characteristics Of American Hydrogen Energy Strategy Under Carbon Neutralization Goal, Feng Wei, Xiaobo Ren, Lin Gao, Guoqing Gao, Chaofeng Zhou
Analysis On Transformation And Characteristics Of American Hydrogen Energy Strategy Under Carbon Neutralization Goal, Feng Wei, Xiaobo Ren, Lin Gao, Guoqing Gao, Chaofeng Zhou
Bulletin of Chinese Academy of Sciences (Chinese Version)
As an important means to achieve the goal of carbon neutralization, hydrogen energy has attracted global attention. As the United States has more than 30 years of practical experience in hydrogen energy R&D and application, this study conducts a detailed investigation on the hydrogen energy development plan and strategy formulated by the U.S. government, analyzes the U.S. hydrogen energy strategy and development objectives, direction and achievements since 1990, and focuses on the latest U.S. hydrogen energy development strategy in 2020 and the hydrogen energy breakthrough plan in 2021. It is concluded that the current US government has moved from initially …
Research On China’S Energy Development Strategy Under Carbon Neutrality, Jian Su, Yingbo Liang, Lin Ding, Guosheng Zhang, He Liu
Research On China’S Energy Development Strategy Under Carbon Neutrality, Jian Su, Yingbo Liang, Lin Ding, Guosheng Zhang, He Liu
Bulletin of Chinese Academy of Sciences (Chinese Version)
China has pledged to reach peak carbon dioxide emission by 2030, and carbon neutrality by 2060 at the Seventy-Fifth Session of the United Nations General Assembly in 2020. As the largest energy consumer and emitter of greenhouse gases, carbon peak and carbon neutrality targets have posed a high requirement for China's sustainable development of energy and economy. In recent years, even though the growth rate of China's energy consumption has decreased, and carbon dioxide emissions gradually enter the plateau, fossil fuels still supply more than 80% of the energy consumption in China. Besides learning from the adjustment of energy consumption …
Evaluating Economic And Social Benefits Of Accelerated Energy Transition, Hongyu Zhang, Xiaodan Huang, Da Zhang, Xiliang Zhang
Evaluating Economic And Social Benefits Of Accelerated Energy Transition, Hongyu Zhang, Xiaodan Huang, Da Zhang, Xiliang Zhang
Bulletin of Chinese Academy of Sciences (Chinese Version)
To achieve carbon neutrality, China's energy system needs a radical transition, and the development of new energy is of central importance. Based on the integrated assessment modeling framework, this study compares economic and social costs and benefits between a scenario reflecting the current energy transition momentum and a scenario of accelerated energy transition. We show that the accelerated energy transition dominated by new energy is essential to achieve carbon neutrality before 2060 and the air quality target required by Beautiful China. The large development of wind and solar power will further reduce their technology costs and the overall energy costs, …
Blue Carbon Sink Function Of Chinese Coastal Wetlands And Carbon Neutrality Strategy, Faming Wang, Jianwu Tang, Siyuan Ye, Jihua Liu
Blue Carbon Sink Function Of Chinese Coastal Wetlands And Carbon Neutrality Strategy, Faming Wang, Jianwu Tang, Siyuan Ye, Jihua Liu
Bulletin of Chinese Academy of Sciences (Chinese Version)
Coastal wetlands are the main body of the coastal "blue carbon (C)" ecosystem, and their "blue C" and ecosystem service function are important ocean-based climate change governance methods, which is a "nature-based solution". Chinese coastal wetlands are dominated by salt marshes, with little area of mangroves, while the area of unvegetated tidal flats is large. According to conservative estimation, the current C sequestration of coastal wetlands through sediment burial in China reaches to 0.97 Tg C·a-1, and would increase to 1.82-3.64 Tg C·a-1 at the end of this century. To achieve the commitment of "C neutrality" in 2060, China should …
Coral Reefs: Potential Blue Carbon Sinks For Climate Change Mitigation, Tuo Shi, Xinqing Zheng, Han Zhang, Qifang Wang, Xin Zhong
Coral Reefs: Potential Blue Carbon Sinks For Climate Change Mitigation, Tuo Shi, Xinqing Zheng, Han Zhang, Qifang Wang, Xin Zhong
Bulletin of Chinese Academy of Sciences (Chinese Version)
Coral reefs are one of the most productive, and yet most vulnerable marine ecosystems. The global decline of coral reefs induced by climate change and human activities has already affected the processes of coral calcification and carbon cycling in the reef ecosystem, intensifying the long-standing CO2 "source-sink" debate over coral reefs. Despite the fact that coral calcification is accompanied by the release of CO2 to the atmosphere, the significance of coral reefs as a carbon sink cannot be ignored, given the complex biogeochemical processes in the reef ecosystem and the characteristic mixotrophic lifestyle of the reef-building corals. From the perspective …
Development Mechanism And Trading Mode Of Marine Carbon Sink, Yun Zhao, Yue Qiao, Liwei Zhang
Development Mechanism And Trading Mode Of Marine Carbon Sink, Yun Zhao, Yue Qiao, Liwei Zhang
Bulletin of Chinese Academy of Sciences (Chinese Version)
Marine carbon sink is one of the important methods to solve the problem of carbon emission in China. Under the dual constraints of economic development demand and ecological capacity, more policy means need to be explored to achieve carbon emission peak and carbon neutrality in China. There is great potential for the construction of marine carbon sink in China. Hence it is of great significance to build an integrated carbon sink system by combining marine carbon sink with land carbon sink. In the path to achieve marine carbon sequestration increase based on marine ecological improvement, marine breeding, coastal wetland protection …
Data Information: Global Carbon Neutralization—Academic Research And Government Planning
Data Information: Global Carbon Neutralization—Academic Research And Government Planning
Bulletin of Chinese Academy of Sciences (Chinese Version)
No abstract provided.
Promote Ocean Carbon Sinks To Become New Force In Achieving Carbon Neutrality
Promote Ocean Carbon Sinks To Become New Force In Achieving Carbon Neutrality
Bulletin of Chinese Academy of Sciences (Chinese Version)
No abstract provided.
Strategic Approach For Mariculture To Practice “Ocean Negative Carbon Emission”, Jihong Zhang, Jihua Liu, Yongyu Zhang, Gang Li
Strategic Approach For Mariculture To Practice “Ocean Negative Carbon Emission”, Jihong Zhang, Jihua Liu, Yongyu Zhang, Gang Li
Bulletin of Chinese Academy of Sciences (Chinese Version)
Reducing CO2 emissions and increasing carbon sinks are basic approaches to achieve carbon neutralization in China. China is the largest mariculture country in the world. China's mariculture industry is dominated by non-fed culture type and characterized by rich species, diverse nutrition levels, and advanced farming technology. Therefore, mariculture has huge potential for the development of ocean negative carbon emissions (ONCE). However, the ONCE process of bivalves and seaweed farming is complicated, and the scientific principles, process, mechanisms, monitoring and evaluating methods, and approaches of increasing carbon sink are gradually being recognized and yet to be resolved. This study discusses the …
Large-Scale Cultivation Of Seaweed Is Effective Approach To Increase Marine Carbon Sequestration And Solve Coastal Environmental Problems, Yufeng Yang, Hongtian Luo, Qing Wang, Zhili He, Aimin Long
Large-Scale Cultivation Of Seaweed Is Effective Approach To Increase Marine Carbon Sequestration And Solve Coastal Environmental Problems, Yufeng Yang, Hongtian Luo, Qing Wang, Zhili He, Aimin Long
Bulletin of Chinese Academy of Sciences (Chinese Version)
All countries in the world are paying attention to low-carbon and carbon neutrality to achieve the mitigation of climate warming by reducing CO2 emissions. Ocean is the largest carbon pool on the earth and play an important role of carbon neutrality. More than half of the biological carbon on the earth is achieved by marine organisms. Among them, seaweed resources are abundant, with advantages such as low cost, high yield, measurable carbon sink, and strong cultivation controllability. Industrialized blue carbon can be formed offshore, which is a sustainable model for future development in coastal ecosystems. In addition, large-scale cultivation of …
Advocating Eco-Engineering Approach For Ocean Carbon Negative Emission, Yuze Wang, Yun Lu, Jihua Liu, Chuanlun Zhang
Advocating Eco-Engineering Approach For Ocean Carbon Negative Emission, Yuze Wang, Yun Lu, Jihua Liu, Chuanlun Zhang
Bulletin of Chinese Academy of Sciences (Chinese Version)
Micro-organisms such as bacteria, archaea, and viruses are an immense invisible driving force behind the ocean carbon cycle and play a pivotal role in global climate change. Atmospheric CO2 is transformed into depositing organic components with the help of marine planktonic organisms which act as a biological pump (BP). The labile organic components are then transformed into recalcitrant organic carbon (RDOC) through the action of bacteria, archaea, and other organisms and viruses, which are called the microbial carbon pump (MCP). RDOC can be stored over thousands of years in the water column and the accompanying particulate organic matter can further …
Developing Ocean Negative Carbon Emission Technology To Support National Carbon Neutralization., Nianzhi Jiao
Developing Ocean Negative Carbon Emission Technology To Support National Carbon Neutralization., Nianzhi Jiao
Bulletin of Chinese Academy of Sciences (Chinese Version)
Carbon neutrality is the right means to cope with global warming. The basic approaches to achieve carbon neutralization include reducing CO2 emissions to the atmosphere and increasing carbon sinks or negative emissions (absorption of atmospheric CO2). As a developing country and a big emitter, China should try its best to increase carbon sinks while reducing emissions as much as possible. The ocean is the largest active carbon pool on Earth, with great potentials for carbon negative emission. We have established marine carbon sequestration theory, which has laid solid foundation for negative emission and set up the linkage between science and …
Trends Observation: Development And Strategy Of Global Eco-Environment And Resources Researching
Trends Observation: Development And Strategy Of Global Eco-Environment And Resources Researching
Bulletin of Chinese Academy of Sciences (Chinese Version)
No abstract provided.
Trends Observation: Observation On Trends Of Energy Strategy And Energy S&T System Reform In Major Economies
Bulletin of Chinese Academy of Sciences (Chinese Version)
No abstract provided.