期刊文献+
共找到2篇文章
< 1 >
每页显示 20 50 100
China's INDC and non-fossil energy development 被引量:7
1
作者 HE Jian-Kun 《Advances in Climate Change Research》 SCIE CSCD 2015年第3期210-215,共6页
Global climate change promotes the energy system reform. Achieving a high proportion of renewable energy becomes the major countries' energy strategy. As proposed in its Intended Nationally Determined Contributions ... Global climate change promotes the energy system reform. Achieving a high proportion of renewable energy becomes the major countries' energy strategy. As proposed in its Intended Nationally Determined Contributions (INDC), China intends to raise the proportion of non-fossil energy in primary energy consumption to about 20% by 2030. That ambitious goal means the non-fossil energy supplies by 2030 will be 7-8 times that of 2005, and the annual increase rate is more than 8% within the 25 years. Besides, the capacity of wind power, solar power, hy- dropower and nuclear power reaches 400 GW, 350 GW, 450 GW, and 150 GW respectively, and China's non-fossil power capacity is even greater than the U.S.'s total power capacity. In addition, the scale of natural gas increases. Consequently, by 2030, the proportion of coal falls from the current 70% to below 50%, and the CO2 intensity of energy consumption decreases by 20% compared with the level of 2005, which play important roles in significantly reducing the CO2 intensity of GDE Since China has confirmed to achieve the CO2 emissions peak around 2030, at that time, the newly added energy demand will be satisfied by non-fossil energy, and the consumption of fossil fuel will stop growing. By 2030, non-fossil energy accounts for 20%, and the large scale and sound momentum of new and renewable energy industry will support the growth of total energy demand, which plays a key role in CO2 emissions peaking and beginning to decline, and lays the foundation for establishing a new energy system dominated by new and renewable energy in the second half of the 21 st century as well as finally achieving the CO2 zero-emission. 展开更多
关键词 Climate change Non-fossil energy CO2 emissions peak Energy revolution
下载PDF
大气^(14)CO_(2)观测:碳排放评估的新方法
2
作者 牛振川 王鹏 +1 位作者 吴书刚 周卫健 《中国科学院院刊》 CSSCI CSCD 北大核心 2023年第12期1866-1873,共8页
我国作为碳排放大国,面临着碳达峰、碳中和(以下简称“双碳”)目标任务和国际碳减排压力。因此,准确的碳排放数据对于评估“双碳”目标和国际履约非常重要。联合国政府间气候变化专门委员会(IPCC)报告推荐将二氧化碳(CO_(2))观测与大气... 我国作为碳排放大国,面临着碳达峰、碳中和(以下简称“双碳”)目标任务和国际碳减排压力。因此,准确的碳排放数据对于评估“双碳”目标和国际履约非常重要。联合国政府间气候变化专门委员会(IPCC)报告推荐将二氧化碳(CO_(2))观测与大气反演结合来“自上而下”地校验“自下而上”的碳排放清单,并指出加入大气^(14)CO_(2)观测可以更准确地校验碳排放清单。放射性碳同位素(14^(C))是化石源CO_(2)最准确的示踪剂,已被国际社会广泛推荐用于碳排放评估。文章基于大气^(14)CO_(2)观测的国际发展趋势和国内的紧迫状况,建议加大支持力度,建立大气^(14)CO_(2)观测网络;开展培训,统一相关标准,积极参与国际交流;尽快开展^(14)CO_(2)观测与大气反演相结合的研究。以此使我国的碳排放研究水平与国际接轨,并提高碳排放数据的可靠性,进而服务国家的“双碳”目标和气候外交谈判。 展开更多
关键词 放射性碳同位素 化石源二氧化碳 碳排放 碳达峰 碳中和 新方法
原文传递
上一页 1 下一页 到第
使用帮助 返回顶部