1. Overview Nowadays a huge amount of electricity is used. Unfortunately not all of the energy which is used is renewable. People have to start thinking about using more and more renewable energy as our environment obviously seems to suffer under the huge amount of pollution which is going in our atmosphere causing some serious damages. So called greenhouse gases are causing several damages on our earth. Climate change, kind of hurricanes, the hole in the …showed first 75 words of 1916 total…

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