I believe that the phenomenon of global warming is an important issue the attention today.It is a threat for humanity. Indeed, it is the cause leading to polar ice melt, causing the flood sweeps, damage to people and property. Moreover, the greenhouse effect is the consequence of the environmental pollution, garbage and use power overload. Therefore, global warming will threaten the health of humans. Therefore, we humans have in response to earth hour, turn off lights when not in use, calling people with protection of our beloved Earth. Finally, I believe that scientists will find a better solution.
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