Types of Renewable Energy. The United States currently relies heavily on coal, oil and natural gas for its energy. Fossil Fuels are nonrenewable, that is, they draw on finite resources that will eventually dwindle, becoming too expensive or too environmentally damaging to retrieve, In contrast, renewable energy resources are constantly replenished and will never run out.
Progress Toward a True-Cost Economy Now Comes From Developments in Renewable Energy. A renewable energy revolution is sweeping the planet. This revolution has profound implications because it signals that the global economy is moving to stop the growth of our human carbon footprint.
11.5.13 - 5 Reasons Solar Is Already Beating Fossil Fuels - Jobs, environment & Investment - "Firms like Mercer and WHEB are advising investors to move their investments out of coal and oil and into renewables. Major investors are already making this move. Warren Buffett has invested $5.4 billion invested in solar and has predicted the end of coal as an American power source."