Because human deforestation reduced forest quantityCause a variety of effects, such as flood problem because there is no grass absorb water when it rains, the problem with global warming because forests as a source of circulating sanoksichen. Carbon and other deforestation causes the accumulation of carbon sai, plants and animals, there are fewer forests because there are no homes, no food source, etc. And improper land utilizationThere is extensive construction on water or land reclamation area has been improved, so these groups pose to destroy water systems and natural drainage when torrent water runs off the Bank, causing flooding easily.
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