Nonrenewable energy sources like fossil fuels are being depleted and will eventually run out. 91% of U.S. energy in 2023 came from nonrenewable sources including petroleum and natural gas. Despite ...

Cow manure is an unlikely source of energy that has been used for centuries. Human waste is another surprising source of renewable energy that can be converted into biogas through anaerobic digestion.

The American Chemical Society is accepting applications for postdoctoral fellowships to support research on fundamental problems related to alternative energy sources. Examples of alternative energy ...

A natural resource is defined as a form of energy and/or matter which is essential for the functioning of organisms, populations and ecosystems. In the case of humans, a natural resource, in his words ...