Across
- 4. different weather patterns caused by pollution
- 6. to not understand something correctly or what is important about an idea
- 9. sth that breaks down or decays naturally without causing pollution
- 10. for example, coal or oil
- 11. (... an idea or feeling in someone) - to make sb think it or feel it
- 13. natural elements such as wind, water, and sunlight which are always available
Down
- 1. a measure of the amount of carbon dioxide released into the atmosphere by people's activities over a particular period
- 2. the activity of dealing with waste
- 3. places where rubbish is dumped
- 5. thick layers of ice and snow that cover the North and South Poles
- 7. the act of clearing an area of trees
- 8. an installation or area of land where sunlight is used to generate electricity
- 12. gases in the earth's atmosphere that trap heat