NATURE

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Across
  1. 3. Campaigns are launched to raise people's ___. [aware]
  2. 5. Humans' activities have a(n) ___ on nature.
  3. 7. use st again or with a different purpose
  4. 8. The layer that protects us from UV light.
  5. 10. where people dump rubbish
  6. 11. It looks fierce, but it is ____.
Down
  1. 1. solar energy is a kind of ____ energy.
  2. 2. We should turn off unnecessary light to ___ electricity.
  3. 4. a person whose work is to protect the environment
  4. 6. poisonous
  5. 9. ____ species are put on Red List