Environmental problems.The atmosphere Deforestation has caused the global warming phenomenon. Deforestation in the tropics contribute about 20 percent of greenhouse gas emissions in the world, as mentioned by the Committee between the Government Panel on climate change (IPCC) 1 in 3 of all CO2 emissions resulting from human hands. Due to deforestation, especially in the summer, thanks to calculations suggest that carbon dioxide emissions from deforestation and degradation of forests (with the exception of emissions in the earth crust) With 12 percent of all carbon dioxide emissions caused by man's hands. With 6 per cent in the regions-17
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