40. Recycling

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Across
  1. 1. - A structure that traps heat, causing temperatures to rise and meet.
  2. 5. - Changing to survive, nature's way to strive.
  3. 6. - Protecting nature's resources, a practice that shows our forces.
  4. 9. - Relating to the North and South Poles, where ice is on a dangerous patrol.
  5. 12. - When species disappear, a tragedy we should all fear.
  6. 13. - Cutting down trees, a practice that brings environmental unease.
  7. 14. - Waters on the increase, coastal areas feeling the squeeze.
  8. 15. - Days of scorching heat, seeking shade is quite a feat.
Down
  1. 2. - Gases released into the air, causing environmental despair.
  2. 3. - Parched and dry, no rain to bestow.
  3. 4. - A chemical element, released by burning coal and gasoline.
  4. 7. - A layer in the sky, protecting us from harmful rays up high.
  5. 8. - Knowing the issue at hand, spreading knowledge across the land.
  6. 10. - Ice turning to water, a consequence of global warming's slaughter.
  7. 11. - Energy that won't deplete, a sustainable power we should meet.