The Paris Agreement1¹ on climate change reached its fifth anniversary in December 2020. A few days prior to this anniversary, the Secretary-General of the United Nations delivered his State of the Planet speech, in which he declared: ‘Humanity is waging war on nature.

中文翻译：

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全球碳价：说起来容易做起来难

《关于气候变化的巴黎协定》^{1 1}于2020年12月达到其五周年纪念日。在此周年纪念日的前几天，联合国秘书长发表了《地球状况》讲话，他在讲话中宣布：“人类正在对世界发动战争。自然。