Twenty years ago, the world tried to address these realities through treaties and international law. The agreements that emerged in 1992 at the first Rio summit were good ones: thoughtful, far-sighted, public-spirited, and focused on global priorities.
20年前，世界试图通过条约和国际法解决上述现实问题。1992年首届里约峰会达成的协议用心良苦：深思熟虑、高瞻远瞩，热心公益，并集中关注全球重点问题。但协议却没有能够拯救人类。