2. Non – renewable resources Approximate world usage of fossil fuels A natural resource that is available only in limited amounts Cannot be replaced quickly by natural processes Examples: topsoil, fossil fuels for energy
3. Review of non-renewable resources: Mining What is mining? Mining is a non-renewable resource Minerals like diamonds, aluminum, copper are taken out of the Earth How do mining projects affect the environment and ecosystems? Video clip: mining emeralds in Colombia Strip mining for coal
4. Fossil Fuels Most common non-renewable resource and is used for energy Found in 3 forms: Coal Oil (gasoline, fuel for planes, trucks, heating) Natural gas Formed when organisms die and are buried in layers of rock/soil Under intense heat and pressure
5. Why do you think fossil fuels are non-renewable?
6. What are they worth ($$$)? We use fossil fuels to ‘power’ most objects in our lives: Cars, factories, electricity for houses Finding new sources of fossil fuels can be very lucrative Can make a large profit/ a lot of money However, there are only a limited amount of these fossil fuel reserves on the planet
