Who can name the two different types of energy sources? Energy Sources Renewable Non-Renewable
Non-Renewable Energy Sources Formed in the Earth over hundreds of millions of years Must be extracted from the Earth, often involving mining or drilling By definition, they are limited. They will run out!
Fossil Fuels Fossil fuels are non-renewable energy sources
Non-Renewable Benefits Inexpensive Infrastructure in place Abundant Efficient fuel source ✔ ✔✔✔ ✔✔✔✔ ✔✔✔✔
Non-Renewable Costs Pollution and mining damage the environment Contributes to climate change Limited supply ✔ ✔✔ ✔✔✔ ✔✔
Renewable Energy Sources Come in many different forms Have been used by humans for thousands of years By definition, naturally replenish themselves…They will NEVER run out! Much cleaner than non-renewables