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tropical forest

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Supreet Sahoo
tropical forest

Forests, exclusively tropical forests, play an important role in global climate conditions. Tree biomass stores carbon through photosynthesis, so deforestation subsidizes to carbon emissions. Tropical forests contain about 25% of the world’s carbon, and other forest regions of the world add another 20% of the world’s carbon. In just the Amazon basin, it is estimate that forests contain 90-140 billion tons of carbon, which could be correspondent to 9-14 decades of human carbon emissions. Previous statements by the IPCCC estimated tropical deforestation and land use change to contribute about 20% of global carbon emissions, although more recent studies have placed this percentage closer to 10%. Nevertheless, carbon emissions from deforestation remain significant, a primary motivation behind the REDD+ mechanisms as an international climate change mitigation program. At the smaller level, forests affect local climate patterns; trees transpire water, so deforestation can reduce rainfall and results to desertification. Changes in local climate patterns can have significant impacts on food production, especially in rural tropical areas practicing subsistence agriculture and semi-arid tropical regions such as the Cerrito of Brazil.  Studies have found that since 1980, climate change resulted in declines in temperate corn and wheat yields, and mixed effects on soybean and rice yields.

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Supreet Sahoo
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