According to the 2020 Global Forest Resources Assessment report released by the Food and Agriculture Organization of the United Nations (FAO), the global forest area has been shrinking since 1990, with a net loss of 178 million hectares. The report contains detailed data for 236 countries and territories. Data show that the world's total forest area is 4.06 billion hectares, accounting for nearly 31% of the total land area. Among them, 25% are distributed in Europe (including the whole territory of Russia), 21% in South America, 19% in North and Central America, 16% in Africa, 15% in Asia and 5% in Oceania. Russia, Brazil, Canada, the United States and China together account for 54% of the world's forest area. It is estimated that a total of 420 million hectares of forest have been destroyed globally since 1990, trees have been cut down and forested land converted to agriculture or infrastructure. However, in recent years, the scale of deforestation has continued to decline. Between 2015 and 2020, the global annual deforestation area was about 10 million hectares, compared with 12 million hectares a year between 2010 and 2015, and 16 million hectares a year between 1990 and 2000, the reduction is obvious. However, forest destruction in some regions is still serious. According to statistics, between 2010 and 2020, Africa's annual net forest loss was the largest of any continent, reaching 3.9 million hectares, followed by South America's 2.6 million hectares. Over the same period, forests in many parts of East Asia continued to expand, with an average annual net increase of 1.9 million hectares in China. The shrinking forests in South America and Africa are concentrated in the so-called "lungs of the earth" in the rain forests, reflecting the fact that some developing countries continue to develop in a predatory way, with forests the victims as environmental protection gives way to economic development.