Across
- 3. The removal of trees from areas of woodland or forest
- 5. The large part of a cows stomach that acts as a fermentation chamber.
- 7. Put on crops to encourage an increased yield.
- 8. Development to improve the quality of life for people now without reducing the ability of future generations to meet their own needs.
- 12. The product of decomposition in the absence of air.
- 13. A method of reducing the volume of biodegradable waste entering landfill sites.
Down
- 1. Examples include metal ores, fossil fuels and building stone.
- 2. Areas filled with waste which is later compressed.
- 4. This involves the mechanical sorting of mixed rubbish to separate the materials which can be melted down and turned into new products.
- 6. A greenhouse gas released by cattle
- 9. A method of reducing the volume of waste that goes into landfill that is often wrongly accused of causing air pollution.
- 10. All the living things residing in an area and their interaction with this environment.
- 11. The type of bacteria involved in braking down carbon rich substances to produce biogas.