We need to learn to conserve
We need to learn to conserve it. Fossil fuels can decade in to Oil, Coal, and Natural gas. Fossil fuels are made by dead animals and after a millions of years it turns in to oil, coal , natural gas. Most of your energy today comes from burning Fossil Fuels including Oil, Coal, and Natural gas. These fuels were formed a million years ago, the remains of plants and animals, so once we extract they can't be replaced.