...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Climatic Change >Low carbon cities: is ambitious action affordable?
【24h】

Low carbon cities: is ambitious action affordable?

机译：低碳城市：雄心勃勃的行动负担得起吗？

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Research has begun to uncover the extent that greenhouse gas emissions can be attributed to cities, as well as the scope for cities to contribute to emissions reduction. But assessments of the economics of urban climate mitigation are lacking, and are currently based on selective case studies or specific sectors. Further analysis is crucial to enable action at the urban level. Here we consider the investment needs associated with 11 clusters of low carbon measures that could be deployed across the world's urban areas in a way that is consistent with a broader 2A degrees C target. Economic assessment of these low carbon measures finds that they could be deployed around the world with investments of c$1 trillion per year between 2015 and 2050 (equivalent to 1.3% of global GDP in 2014). When the direct savings that emerge from these measures due to avoided energy costs are considered, under the central scenario these investments have a net present value of c$16.6 trillion USD in the period to 2050. However, discount rates, energy prices and rates of technological learning are key to the economic feasibility of climate action, with the NPV of these measures ranging from -$1.1 trillion USD to $65.2 trillion USD under different conditions.
机译：研究已经开始揭示温室气体排放可归因于城市的程度，以及城市为减排做出贡献的范围。但是，缺乏对城市减缓气候变化的经济学评估，并且目前基于选择性案例研究或特定领域。进一步分析对于在城市一级采取行动至关重要。在这里，我们考虑了与11个低碳措施集群相关的投资需求，这些措施可以以与更广泛的2A摄氏度目标相一致的方式在全球城市地区部署。对这些低碳措施的经济评估发现，它们可以在2015年至2050年期间以每年1万亿加元的投资在全球范围内部署（相当于2014年全球GDP的1.3％）。考虑到由于避免了能源成本而从这些措施中获得的直接节省，在中心情景下，到2050年，这些投资的净现值为16.6万亿加元。但是，折现率，能源价格和技术费率学习是气候行动经济可行性的关键，这些措施的NPV在不同条件下从-1.1万亿美元到65.2万亿美元不等。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号