在人类初期,全球森林面积占陆地面积的2/3,达76亿公顷。2010年3月联合国粮农组织发布的当年全球森林资源评估报告显示,目前世界森林面积为40亿公顷,约占地球土地面积(不含内陆水域面积)的31%,人均森林面积0.6公顷。全球人工林面积2.64亿公顷,占世界森林面积近7%。《报告》说,从森林功能看,全球商品林面积接近12亿公顷, In the early days of mankind, the global forest area accounted for 2/3 of the land area, reaching 7.6 billion hectares. The March 2010 Global Forest Resources Assessment released by the UN Food and Agriculture Organization of the United Nations showed that the world’s forest area now stands at 4 billion hectares, accounting for about 31% of the Earth’s land area (excluding inland water areas) with a per capita forest area of ​​0.6 hectares. The global plantation area of ​​264 million hectares, accounting for nearly 7% of the world’s forest area. The report said that from the perspective of the forest function, the global commodity forest area approaches 1.2 billion hectares,