Environmental Sustainability

2. The removal of large areas of forest to enable the land to be used for other purposes
6. A change in the way something is done so that the impact of the issue is reduced
9. The variety of living species on the Earth, including plants, animals, bacteria and fungi
10. the gradual accumulation of substances in an organism
11. The introduction of harmful substances into the environment
13. Consuming resources in a way that meets our current needs but also allows for the needs of future generations
14. A greenhouse gas
15. the rain caused by oxides released into the atmosphere from human activity
18. Liquid or solid water in the form of rain, snow, sleet or hail
20. A place where something is collected or stored
21. A substance introduced into the environment that can be harmful

1. The ground that has been below a temperature of 0 degrees for at least 2 consecutive years
3. Rubbish created by households
4. Very small pieces of a substance, especially those produced by burning fuels
5. The accumulation of nutrients in a water body, leading to the rapid increase of algae and bacteria
7. The trade winds that bring rain to Australia
8. Reducing the severity of an impact or event
12. The rocks, minerals and landforms of the surface and interior of the Earth
16. The 26th Conference of parties to the United Nations Framework Convention on Climate Change
17. The gaseous layer surrounding the Earth
19. Able to cause harmful health effects