到2020年，我们必须在2006年的基础上减少80%的碳排放，到2040年将世界人口稳定在80亿，彻底消除贫困，恢复森林和土壤。
We must cut carbon emissions by 80% from their 2006 levels by 2020, stabilize the world's population at eight billion by 2040, completely remove poverty, and restore forests and soils.
由于人口增长放缓，目前用于种植作物的耕地可能会恢复成森林或荒野。
Thanks to slowing population growth, land currently ploughed up for crops might be able to revert to forest or wilderness.
大量人口的恢复中最深层的原因是森林的命运。
The most profound reason for the restoration of high population numbers has been the fate of the forests.
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