地球社国际联合会 international federation terre des hommes ; Federation Internationale Terre des Hommes ; IFTDH
1992年，第一届联合国地球峰会在里约热内卢举行。
In 1992, the first UN Earth Summit was held in Rio de Janeiro.
不久之后，斯拉特被联合国授予“地球卫士”的称号，表彰他的工作具有意义和价值。
Soon after, Slat was named a "Champion of the Earth" by the United Nations for his meaningful and valuable work.
据联合国粮农组织的主要森林数据，现在世界上大约有40亿公顷(100亿顷)的森林，占地球陆地表面的31%。
According to the main compiler of forest data, the UN's Food and Agriculture Organisation, about 4 billion hectares (10 billion acres) of forest remain, covering 31% of the Earth's land surface.
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