Today there are a lot of different methods of gaining the energy. Some of them are environmental friendly. however some are constantly polluting our world, but they are not expensive and tested. People have been taking energy for their apartments, cars and industry from the Earth natural resources like coal, other fossil fuels, gas, sun, wind, water energy and from unnatural sources like nuclear power plants. Every of those methods have their good sites and bad sites.
Tag: Hydropower
Hydropower