5 Sources of Alternative Energy You May Not Have Heard Of
As fossil fuels increasingly fall out of favor, many are looking into alternative energy sources to help us power our lives with a smaller impact on the environment. You already know about solar power and wind energy, and hydro-electric power and nuclear power have been around for decades. But scientists are increasingly looking to the natural world for additional solutions.
Here are 5 alternative energy sources that you may hearing more of soon: