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How can we produce enough energy to live well without creating a level of greenhouse gases that generates an increasingly hostile climate? Alternative energy sources like wind and solar are part of the answer, but it isn’t going to be easy to replace the massive quantities of energy currently derived from non-renewable sources such as coal, natural gas, and oil. As it happens, we live over a screaming-hot furnace which can be used to generate electricity and heat with almost no greenhouse gases and no radioactive waste.… Read the rest “Geothermal, a continuous, renewable, energy source without greenhouse gases or radioactive waste”