Answer: Greenhouse effect is the curse of global warming. The rise in atmospheric temperature is known as the greenhouse effect. Our atmosphere is guarded by an ozone layer which resists the entrance of ultra-violet rays from the sun. The ultra-violet ray is very harmful for the environment. But deforestation around us and the increased amount of carbon dioxide, methane and chloro-floro carbons affect that layer. As a result the heat of the sun enters directly into the atmosphere of the earth. This situation is making the worlds warmer and causing climate change throughout the world. Scientists are worried about this increased heat because it is melting the ice in the polar regions. If this process continues for a long time, the layer of water in the oceans will rise and flood coastal areas and farm lands of Bangladesh will go under water. Besides, this will reduce mankind's ability to grow food, destroy or severely damage wild life and wilderness. So, for making our dear earth safe, we should plant as many trees as possible. We have to prevent or reduce the amount of emission of green house gases. Everybody should take part to make a safe world. United efforts are essential to solve this global problem.
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