Climate Change Crossword Puzzle

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Across
  1. 5. Earths protective shield
  2. 6. Common greenhouse gas
Down
  1. 1. When gas or toxins are present in the atmosphere
  2. 2. A gas that comes from cattle
  3. 3. Reusing an item instead of throwing it away
  4. 4. A type of fuel made millions of years ago under the ground
  5. 7. Clearing a forest