Question

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Answer 1

Clearing of the forest cover has a negative effect on the environment. It results in an increase in the amount of carbon and other greenhouse gases in the environment. Burning of forests results in the emission of a large amount of carbon dioxide into the air. Carbon dioxide and other greenhouse gases like the oxides of nitrogen and methane are known to trap atmospheric heat, thus increasing the average temperature of the Earth's surface. This increase in the temperature near the Earth's surface and oceans is termed as global warming. Thus, deforestation is caused by humans.

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Answer 2

The accelerating destruction of the rainforests that form a precious cooling band around the Earth's equator, is now being recognised as one of the main causes of climate change. Carbon emissions from deforestation far outstrip damage caused by planes and automobiles and factories.