Climate Change

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Across
  1. 3. Be able to maintain a certain rate
  2. 5. A process warming the earth’s surface
  3. 6. Power used for activation
  4. 7. A state of something
  5. 9. A clearance of trees
  6. 11. A natural source of energy
Down
  1. 1. Harmful substance into the environment
  2. 2. A catastrophe!
  3. 4. The degree of heat in a substance
  4. 6. A natural world
  5. 8. A time of intense difficulty or danger
  6. 10. To convert into reusable material
  7. 12. Environmental friendly