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Global deforestation [31] sharply accelerated around 1852. [32] [33] As of 1947, the planet had 15 to 16 million km 2 (5.8 to 6.2 million sq mi) of mature tropical forests, [34] but by 2015, it was estimated that about half of these had been destroyed. [35] [21] [36] Total land coverage by tropical rainforests decreased from 14% to 6%. Much of ...
Deforestation in the Democratic Republic of the Congo has been caused partly by unregulated logging and mining, but mostly by the demands made by the subsistence activities of a poor population. In the east of the country, for example, more than 3 million people live less than a day's walk from Virunga National Park. Wood from the park's ...
That was 6.5% of global CO 2 emissions. Deforestation is a primary contributor to climate change, [1] [2] and climate change affects the health of forests. [3] Land use change, especially in the form of deforestation, is the second largest source of carbon dioxide emissions from human activities, after the burning of fossil fuels.
From the approximately 16 million square kilometers of tropical rainforest habitat that originally existed worldwide, less than 9 million square kilometers remain today. [7] The current rate of deforestation is 160,000 square kilometers per year, which equates to a loss of approximately 1% of original forest habitat each year.
For example, "green water" use is evapotranspirational use of soil water that has been provided directly by precipitation; and "green water" has been estimated to account for 94% of global beef cattle production's "water footprint", [89] and on rangeland, as much as 99.5% of the water use associated with beef production is "green water".
Land surface effects on climate are wide-ranging and vary by region. Deforestation and exploitation of natural landscapes play a significant role. Some of these environmental changes are similar to those caused by the effects of global warming. [1] [2] [3]
Deforestation in the Maranhão state, Brazil, in July 2016. The Amazon rainforest, spanning an area of 3,000,000 km 2 (1,200,000 sq mi), is the world's largest rainforest.It encompasses the largest and most biodiverse tropical rainforest on the planet, representing over half of all rainforests.
Climate change — Global warming • Global dimming • Fossil fuels • Sea level rise • Greenhouse gas • Ocean acidification • Shutdown of thermohaline circulation • Environmental impact of the coal industry • Urban heat islands • Flooding; Environmental degradation — Loss of biodiversity • Habitat destruction • Invasive ...