Renewable energy sources are plentiful and all around us. Fossil fuels - coal, oil and gas - on the other hand, are non-renewable resources that take hundreds of millions of years to form.

With the continued expansion of renewable energy sources all but guaranteed – even if Trump follows through on his campaign promise to "drill, baby, drill" for oil and natural gas – here's a ...

Non-renewable resources - energy resources that cannot be replenished. These resources will eventually run out because we are using them. Not all energy resources are available everywhere and each ...

President Donald Trump has signed four executive orders aimed at boosting coal, a reliable but polluting energy source that’s ...