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