wind farm coal powered plant plus49/Construction Photography/Avalon/Getty Image

气候变化的假把戏

斯坦福—放眼全球,越来越多的国家和地区承诺未来要停止排放二氧化碳。欧盟的目标是到2050年实现“碳中性”,它也因此赢得了绿色活跃分子的掌声。从阿德莱德到波士顿到里约热内卢,世界各大城市也宣布了类似的目标,哥本哈根说它到2025年就能实现这一目标。

我们应该以适当的狐疑看待这些承诺。比如,哥本哈根可能实现不了它的目标,即使其为实现碳中性付出了两倍于计划的支出。事实上,我们可以从这些承诺的空洞的特征中——以及政府如何玩弄排放数字中——汲取很多教训,考察一个众所周知的故事。它是最早承诺要实现零排放的国家之一

这个国家是新西兰。2007年,在卸任的前一年,时任总理克拉克给出了她的愿景,新西兰要在2020年实现碳中性。联合国恰如其分地称赞她是“地球冠军”。但减碳可不像吸引眼球那么容易。

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  1. abe10_TIZIANAFABIAFPGettyImages_shinzoabesmilingatcamera Tiziana Fabi/AFP/Getty Images

    The G20 in Osaka

    Shinzo Abe

    Japan is advocating a system of “Data Free Flow with Trust,” an approach that attempts to allow the free flow of data under rules upon which all people can rely. And launching DFFT is just one of four major agenda items that Japan's prime minister has in store for the group's upcoming summit.

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