sustainability

1. three pillers of sustainability - economy, environment and
4. something that we recycle
7. p place where rubbish is dumped then buried
9. a community of organisms including plants, animals, water, air and the ground
10. unwanted or unusable material
12. name of a gas that traps heat, causing global warming
13. reduce reuse
14. living within the Earth's natural resource
17. reducing co2 in the atmosphere will improve the
18. A renewable energy source

2. a layer in the atmosphere that absorbs most of the suns ultra violet radiation
3. to improve the quality of something
5. a substance which has a harmful or poisonous effect, caused by burning fossil fuels
6. a variety of all living things; plants animals and micro-organisms
8. something that causes global warming and decreased habitats for animals
11. a precious and valuable resource used for drinking, hygiene and other uses
15. a living organism that absorbs co2
16. a fuel that is non renewable and found underground