At present, rivers, streams and lakes filled with sewage. The air around us, it is harmless to health. A rapidly advancing human It does not have time to figure out a way to protect the survival of the Muslim nation. If this is still the man to meet the pollution created by the nature of the self. One of pollution, light pollution is
light pollution. A condition caused by using too light of a city or community, which is excessive light. To disturb the ecosystem, such as the lives of nocturnal animals. The visibility of celebrities constructing low down.
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