Global warming

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Across
  1. 3. Energy source that doesn’t deplete (e.g., solar, wind).
  2. 5. Use items again
  3. 6. ____ fuels: coal, oil, and gas.
  4. 7. Energy harnessed from turbines.
  5. 10. Using less items
  6. 11. ____ effect: trapping of heat by atmospheric gases.
Down
  1. 1. Clearing of forests, a major cause of CO₂ increase.
  2. 2. Climate change causes rising ___ levels.
  3. 3. Turning trash into new things to reduce waste
  4. 4. Energy harnessed from the sun.
  5. 8. Prolonged dry period worsened by climate change.
  6. 9. Planting more ____ can help combat climate change.