JULY CROSSWORD

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Across
  1. 2. Layer that protects against UV radiation (5 letters)
  2. 3. Footprint Measure of human impact on ecosystems (18 letters)
  3. 7. Harmful substances in the environment (9 letters)
  4. 8. response
  5. 10. Effect: Trapping heat in the atmosphere (16 letters)
  6. 11. Clearing of forests (12 letters)
  7. 13. Variety of species in an ecosystem (12 letters)
  8. 14. Converting waste into reusable materials (10 letters)
Down
  1. 1. Type of energy from constantly replenished sources (14 letters)
  2. 4. Practice for future without compromising (13 letters)
  3. 5. Protection of natural resources (12 letters)
  4. 6. Footprint Measure of greenhouse gas emissions (15 letters)
  5. 9. Interconnected community of organisms (9 letters)
  6. 12. Type of development that meets present needs without compromising the future (11 letters)