Environment and Nature

12345678910
Across
  1. 3. Renewable energy from the sun
  2. 6. Large body of saltwater
  3. 7. A substance used to kill insects
  4. 9. The act of cutting down trees
  5. 10. Planting trees to restore a forest
Down
  1. 1. The gradual increase in the temperature of the Earth's atmosphere
  2. 2. The layer of gases surrounding the Earth
  3. 4. The variety of life in the world or in a particular habitat
  4. 5. Harmful chemicals or waste released into the environment
  5. 6. The gas essential for human respiration
  6. 8. The natural world as a whole
  7. 10. To use something again