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Across
  1. 1. Gradual increase in Earth’s average surface temperature
  2. 5. Managing waste by converting it into reusable material
  3. 8. Scientific study of interactions among organisms and environment
  4. 9. Process by which plants convert sunlight into energy
  5. 10. Long-term shift in global or regional climate patterns (13)
  6. 11. Exhaustible natural resources like coal and oil
  7. 12. Species at risk of extinction
Down
  1. 2. Variety of life in an ecosystem
  2. 3. Farming without synthetic chemicals or pesticides
  3. 4. Excessive use of natural resources
  4. 6. International agreement to combat climate change
  5. 7. Gas that traps heat in the atmosphere