Fossil fuels are ancient sunlight, buried for ages
Our world runs on fossil fuels, which are ancient plants and organisms transformed by millions of years of heat and pressure deep within the Earth.
Coal, oil, and natural gas are essentially stored solar energy from Earth's distant past. These fossil fuels formed over millions of years from ancient plants and marine life, buried deep underground. During periods like the Carboniferous era, around 300 million years ago, lush vegetation and tiny organisms died and were covered by sediment.
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