Although the supplies of fossil fuels are vast,They are not going to last forever.
Also, the Earth's atmosphere may not survive the environmental impact of burning such enormous amounts of fossil fuels. With increasing population, the consumption of energy has increased and fossil fuels are being used up at a rapid rate. Carbon stored over millions of years is being released in a matter of decades, disrupting the Earth's carbon cycle in unpredictable ways.
Energy sources can be described as renewable and non-renewable energy sources.