Renewable energy sources may be a hot topic in today’s environment but the concept is far from new. Some forms of renewable energy have been practiced for centuries. From the moment the first caveman rubbed two sticks together to start a fire, renewable energy was being used to provide heat or cook food. The sun, long before it was recognized as an engine to produce solar power, was quietly doing its job of warming the earth and producing light. Continue reading Renewable Energy; Common Options →