Environment

12345678910
Across
  1. 2. Planting trees again where they were cut
  2. 4. The gradual warming of the planet
  3. 5. Thin layer of air around the Earth
  4. 7. Waste that can break down naturally
  5. 8. Place where animals and plants live
  6. 9. The variety of different living things in an area
  7. 10. Source of power like sun or wind that never runs out
Down
  1. 1. Materials like bottles and paper that are processed to be used again
  2. 3. Careful use of resources so they last longer
  3. 6. Dirtying air, water or soil with harmful substances