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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. [6]
An estimated 420 million ha of forest has been lost worldwide through deforestation since 1990, but the rate of forest loss has declined substantially. In the most recent five-year period (2015–2020), the annual rate of deforestation was estimated at 10 million ha, down from 12 million ha in 2010–2015.
During the early 2000s, deforestation in the Amazon rainforest showed an increasing trend, with an annual rate of 27,423 km 2 (10,588 sq mi) of forest loss recorded in 2004. Subsequently, the annual rate of forest loss generally slowed between 2004 and 2012, although there were spikes in deforestation rates in 2008, [62] 2013, [63] and 2015. [64]
The primary forest loss is overwhelmingly from human-caused deforestation but includes some natural loss as well, such as high winds knocking down trees. (Reporting by Jake Spring; Editing by ...
Under the denuded slopes of Mount Nyiragongo volcano in eastern Democratic Republic of Congo, traders in Kibati town bartered over sacks of charcoal, a product of deforestation that an ongoing ...
Cambodia's primary forest cover fell dramatically from over 70% in 1970 at the end of the Vietnam War to just 3.1% in 2007, when less than 3,220 square kilometers of primary forest remained. [51] Deforestation is proceeding at an alarming rate: nearly 75% of forest loss has occurred since the end of 1990s.
Forest cover in the Eastern United States reached its lowest point in roughly 1872 with about 48 percent compared to the amount of forest cover in 1620. The majority of deforestation took place prior to 1910 with the Forest Service reporting the minimum forestation as 721,000,000 acres (2,920,000 km 2 ) around 1920. [ 8 ]
This degradation makes the forest less valuable and may lead to deforestation. Forest degradation is a type of the more general issue of land degradation. Deforestation and forest degradation continue to take place at alarming rates, which contributes significantly to the ongoing loss of biodiversity. [2]