Environment Puzzle

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Across
  1. 2. , Last name of long time advocate for endangered animal protection…known for his documentaries
  2. 6. , What most solar panels are made of
  3. 7. , Large grey endangered animal with big nose
Down
  1. 1. , Where trash is dumped
  2. 3. , Used to harness energy from wind
  3. 4. , Thin layer in the atmosphere that blocks UV radiation
  4. 5. , Small bear-like animal that is endangered