Energy

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Across
  1. 7. - energy that can be used more than once.
  2. 8. - using a range of energy sources.
  3. 9. - calculation of the total greenhouse emission created by a person or country.
  4. 10. - extracting oil and gas stored in rocks by creating cracks.
Down
  1. 1. - Iceland uses this as it's main source of energy.
  2. 2. - coal, oil, natural gas are all examples of this.
  3. 3. - Mixture of sand, water and oil which are separated.
  4. 4. - charge paid to drive car in some cities.
  5. 5. - The point at which half of the known reserves of oil have been used.
  6. 6. - Countries that have access to reliable energy are described as energy__________