I believe that the phenomenon of global warming is an important issue to be interested in the world today.
It is a threat to humanity. Indeed, it is the cause of the polar ice caps melt, causing floods sweep, damage to people and property. Moreover, the greenhouse effect is the result of environmental pollution, waste and used electrical overload. Therefore, global warming will threaten human health. So, we humans have responded earth hour, turn off the lights when not in use, urging people to work together to protect the earth loved us. Finally, I believe that scientists will find better solutions.
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