Renewable Energy

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Across
  1. 2. Renewable energy that is cost-effective
  2. 5. Energy generated by flowing water
  3. 6. The effectiveness of energy use
  4. 7. Solar energy from the sun
  5. 9. Energy derived from the Earth's heat
  6. 11. The natural world affected by energy choices
  7. 14. Energy that is constantly replenished
  8. 15. Environmentally friendly energy
  9. 17. Renewable energy helps reduce climate change
  10. 18. Energy that benefits the environment
  11. 20. Energy with no carbon emissions
Down
  1. 1. A renewable energy resource
  2. 3. Energy that can be replenished naturally
  3. 4. Energy that doesn’t produce pollutants
  4. 8. Non-polluting energy source
  5. 10. Power derived from renewable sources
  6. 12. Energy that is naturally replenished
  7. 13. Energy generated by ocean tides
  8. 16. Energy derived from wind power
  9. 19. Energy from organic materials like plants and animals