The 5 Most Innovative Renewable Energy Sources
As the world population grows and natural resources become scarcer, the need for renewable energy sources becomes more pressing. While solar and wind power are commonly discussed alternatives, there are many other sources out there. Here are five innovative sources scientists are exploring: Wave Power, Printable Solar Panels, Body Heat, Algae, and Alcohol Waste. These sources are still in the experimental stage, but could potentially replace fossil fuels in the future.