联合国估计,全球每年有近1300万公顷(约合3200万英亩)森林被砍伐,相当于希腊或尼加拉瓜的国土面积。砍伐森林对环境造成以下影响:气候变化:树木通过光合作用吸收二氧化碳,并将碳贮存于枝干和根部。据 The United Nations estimates that nearly 13 million hectares (about 32 million acres) of forest are cut down each year, which is equivalent to the land area of ​​Greece or Nicaragua. Deforestation has the following impacts on the environment: Climate change: Trees absorb carbon dioxide through photosynthesis and store carbon in branches and roots. according to