Across
- 4. refers to waste prevention as opposed
- 6. the contamination of water sources by substances which make the water unusable for drinking, cooking, cleaning, swimming, and other activities.
- 7. contamination of the indoor or outdoor environment by any chemical, physical or biological agent that modifies the natural characteristics of the atmosphere.
Down
- 1. the ability to maintain or support a process continuously over time.
- 2. long-term shifts in temperatures and weather patterns.
- 3. the total amount of greenhouse gases (including carbon dioxide and methane) that are generated by our actions.
- 5. capable of being broken down especially into harmless products by the action of living things (as bacteria