energy

123456789101112
Across
  1. 3. burning these speed the global warming
  2. 7. also one of the main greenhouse gases
  3. 8. most of this comes to Europe from Russia
  4. 9. this might happen when it's stormy
  5. 10. this is one of the main greenhouse gases
  6. 12. this is formed in swamps
Down
  1. 1. this is more acid than usual rain
  2. 2. if we use nuclear energy, we need these
  3. 4. this is very harmful to the environment and it can happen if there's an accident on the oil rig
  4. 5. these can be found on the roofs
  5. 6. for example wind power and solar energy
  6. 11. for example phones work with this