Across
- 4. (n) Person who argues against environmental protection measures
- 5. (adj) Costing little enough for most people to buy, like energy-saving bulbs
- 7. (adj) Available only in restricted amounts, like fossil fuels
- 8. (n) A catastrophic event causing severe environmental damage
- 11. (n) Natural material that can be used by humans, like water or wood
- 12. (v) To contaminate air, water, or soil with harmful substances
- 15. (adj) Connected to the natural world and its protection
Down
- 1. (n)A positive outcome of using renewable energy
- 2. (v) To supply what nature gives us, like clean air and water
- 3. (adj) Lasting for many years into the future
- 6. (adj) A different choice from traditional energy sources, like solar power
- 9. (n) Answer to an environmental problem
- 10. (n) Potential danger to the environment
- 13. (n)An urgent environmental problem needing immediate action
- 14. (n) Organized method for recycling or energy conservation
