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Native Americans cleared millions of acres of forest for many reasons, including hunting, farming, berry production, and building materials. [7] Prior to the arrival of European-Americans, about one half of the United States land area was forest, about 1,023,000,000 acres (4,140,000 km 2) estimated in 1630.
Map of national forests and national grasslands of the United States. The United States has 154 protected areas known as national forests, covering 188,336,179 acres (762,169 km 2; 294,275 sq mi). [1] National forests are managed by the U.S. Forest Service, an agency of the U.S. Department of Agriculture. [2]
The forest resources of the United States remained relatively constant through the 20th century. [3] The Forest Service reported total forestation as 766,000,000 acres (3,100,000 km 2 ) in 2012. [ 4 ] [ 5 ] [ 3 ] A 2017 study estimated 3 percent loss of forest between 1992 and 2001.
In the United States, national forest is a classification of protected and managed federal lands that are largely forest and woodland areas. They are owned collectively by the American people through the federal government and managed by the United States Forest Service , a division of the United States Department of Agriculture .
The World Bank estimates that the collapse of certain ecosystem services, such as fisheries or native forests, could cost the world economy $2.7 trillion annually by 2030, about 2.3% of global output.
Rates and causes of deforestation vary from region to region around the world. In 2009, two-thirds of the world's forests were located in just 10 countries: Russia, Brazil, Canada, the United States, China, Australia, the Democratic Republic of the Congo, Indonesia, India, and Peru. [2]
Restoring global forests could sequester 22 times as much carbon as the world emits in a year, according to a scientific study published on Monday, making the case that trees are a key tool in ...
In the past, polylepis forests covered vast areas of the mountain range, but today, after hundreds of years of deforestation and development, just 500,000 hectares remain, thought to be between 1% ...