You’ve heard of geothermal energy — it’s touted as a clean alternative. You’ve also heard of fracking, which is … not always thought of that way. One creates energy from the earth’s heat. The other ...

Over the course of millions of years, heat and pressure can transform the organic remains of animals and plants into crude oil. That's why they're called a fossil fuels — the long-dead creatures that ...

What is fracking? The practice of fracking, otherwise known as “hydraulic fracturing,” involves breaking apart formations of shale rock with the use of pressurized liquid, which includes water and ...