Challenging environmental issues facing humanity today is the most greenhouse gas emissions (Greenhouse gases: GHGs) into the atmosphere, the world of natural balance too much. Heat from the Sun that shines down to the surface of the Earth is unable to drain into the outer atmosphere of the Earth. It managed to retain heat, also known as toxemia, greenhouse (Greenhouse effect), and make the world's higher temperatures cause a chain effect and include the organisms, the melting of glaciers and icebergs. The rise of the sea level and ocean. Climate variability and natural disasters and a severe storm, and often. The earthquakes at Nepal, etc.
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