What Are Fossil Fuels , National Geographic

What are fossil fuels How were they formed Learn how human use of nonrenewable energy sources, such coal, oil, and natural gas, affect climate change. Subscribe: About National Geographic: National Geographic is the world s premium destination for science, exploration, and adventure. Through their worldclass scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what s possible. Get More National G