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Whereas deforestation was primarily driven by subsistence activities and government-sponsored development projects like transmigration in countries like Indonesia and colonization in Latin America, India, Java, and so on, during the late 19th century and the first half of the 20th century, by the 1990s the majority of deforestation was caused ...
Deforestation in the United States was affected by many factors. One such factor was the effect, whether positive or negative, that the logging industry has on forests in the country. Logging in the United States is a hotly debated topic as groups who either support or oppose logging argue over its benefits and negative effects.
Deforestation is proceeding at an alarming rate: nearly 75% of forest loss has occurred since the end of 1990s. In total, Cambodia lost 25,000 square kilometers of forest between 1990 and 2005, 3,340 square kilometer of which was primary forest. [ 51 ]
Several studies since the early 1990s [30] have shown that large-scale deforestation north of 50°N leads to overall net global cooling [31] while tropical deforestation produces substantial warming. Carbon-centric metrics are inadequate because biophysical mechanisms other than CO 2 impacts are important, especially the much higher albedo of ...
The Kyoto Protocol article 3.3 thus requires mandatory LULUCF accounting for afforestation (no forest for last 50 years), reforestation (no forest on 31 December 1989) and deforestation, as well as (in the first commitment period) under article 3.4 voluntary accounting for cropland management, grazing land management, revegetation and forest ...
The FAO definition of deforestation is, "The conversion of forest to other land use independent of whether it is human-induced or not." It includes permanent reduction of the tree canopy cover below the minimum 10 percent threshold. It includes areas of forest converted to agriculture, pasture, water reservoirs, mining and urban areas.
American environmentalists have campaigned against nuclear weapons and nuclear power in the 1960s and 1970s, acid rain in the 1980s, ozone depletion and deforestation in the 1990s, and most recently climate change and global warming.
The Queensland and New South Wales governments implemented bans on land clearing during the 1990s and early 2000s. [16] Australia remains a deforestation front, the only developed nation to do so. [17] Both Queensland and New South Wales monitor land clearing on an annual basis using satellite imagery under the Statewide Landcover and Trees ...