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Permaculture: Definition, Principles and Examples
What is permaculture, and how does it help the environment and the on-going fight against climate change?
A fossil fuel is a natural fuel, such as coal, gas, or oil – and is formed from the Earth’s crust. Fossil fuels are extracted and used to be burned as fuel: such as for a train powered by coal. Fossil fuels are also used to provide heat or generate electricity.