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Greenhouse effect

In a greenhouse, the air inside gets heated because of the warm sun rays that get trapped by the roof and walls are not reflected outwards completely. This situation is now comparable to the conditions currently prevailing on earth. The layer of the atmosphere, which acts like greenhouse glass roof, contains greenhouse gasses GHG, such as water vapor, carbon dioxide CO2, methane, nitrous oxide, and ozone, in appropriate amounts to keep our earth comfortably warm. Owing to irresponsible human activities, the CO2 & methane content have increased more than 20 & 90% respectively. As a result more heat is trapped and making the earth warmer than usual. The increased temperature causing the polar caps and glaciers melt, leading to the rise in sea levels causing unwanted floods and tidal bores.

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