Fossil fuels: Fossil fuels are a type of non-renewable energy formed from the remains of ancient plants and animals. They include coal, oil, and natural gas.
Greenhouse gases: Greenhouse gases are gases in the Earth's atmosphere that trap heat and contribute to global warming. Burning non-renewable fossil fuels releases greenhouse gases into the atmosphere.
Renewable energy:Renewable energy refers to energy sources that can be naturally replenished or regenerated within a human lifespan, such as solar power, wind power, and hydropower.