Environment Puzzle

12345678
Across
  1. 2. What most solar panels are made of
  2. 5. Leading cause of greenhouse gas emissions
  3. 6. Where trash is dumped
  4. 8. Used to harness energy from wind
Down
  1. 1. Large grey endangered animal with big nose
  2. 3. Thin layer in the atmosphere that blocks UV radiation
  3. 4. Small bear-like animal that is endangered
  4. 7. Last name of long time advocate for endangered animal protection…known for his documentaries