Solar- & Windenergie zur Stromversorgung der Videoüberwachung nutzen

As industrialization and urbanization accelerate over the world, the global warming has been a serious problem to every inhabitant on the earth. Many islands will be swallowed by increasing sea level in next twenty years, and more coast cities will also meet such disaster if the sea levels keep rising. Farmland desertification, wide species extinction, air and water pollution as well as extreme weather have posed threats to the continued existence of people.

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Geschrieben am 23.02.2011 von admin in Allgemein. 0 Kommentare.

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