如何测算碳排放空间?

内容简介

         如果当前的气候变暖趋势不加 以控制，那么未来全球变暖将进一 步加剧，到21世纪末温升将可能超 过工业化前水平4°C。《巴黎协定》 提出要将全球平均温度上升幅度控 制在不超过工业化前水平2°C之内， 并力争不超过工业化前水平1.5°C。/因为科学和政治的综合研究 认为一旦未来全球平均气温升高超过2°C的阈值，人类生活就可 能面临较大的危险。为了避免这一可能发生的风险，必须要将 温室气体排放控制在一定范围内。因此，我们常讲的碳排放空 间主要是指为避免一定程度的全球地表平均温度上升，估算的 满足累积排放限制的温室气体排放轨迹下的区间。
       该排放空间可以在全球层面、国家层面或者国家以下层面进行定义。如果 按照控制温升不超过1.5°C，现有研究认为，当前人为二氧化碳 排放量为每年420亿吨，实现1.5°C温升要求的剩余排放空间不 到4200亿吨二氧化碳，如果维持当前排放速率，将在10年之内 用尽。目前各国在《巴黎协定》下提出的国家自主贡献力度不 足以实现1.5°C的温控目标。

哪些行业需要报告温室气体排放量数据?是所有行业还是只有八大行业?

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如何测算碳排放空间?

内容简介

哪些行业需要报告温室气体排放量数据?是所有行业还是只有八大行业?

什么是低碳及低碳生活?

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