Earth Month News Letter

4. What is the organic matter that has been decomposed and recycled as a fertilizer and soil amendment called? (7 letters)
7. What are the materials or substances that occur naturally in the environment and can be used for economic gain called? (16 letters)
8. Word used to describe substances that can cause harm to humans and the environment (6 letters)
10. Site where waste is buried underground (8 letters)
12. What is the ability to maintain or support a certain level or rate of activity without depleting resources called? (13 letters)
13. The presence or introduction into the environment of substances or conditions that cause harm or discomfort to living organisms (9 letters)
15. What is the term used to describe energy derived from resources that are replenished naturally and relatively quickly called? (9 letters)

1. Electronic products that are discarded or no longer useful, often containing hazardous materials (6 letters)
2. What is a biological community of interacting organisms and their physical environment called? (9 letters)
3. What is the act of preserving and protecting natural resources and ecosystems called? (11 letters)
5. Term used to describe waste that is potentially dangerous to human health or the environment (9 letters)
6. What is the total amount of greenhouse gases emitted by an individual, organization, or product called? (15 letters)
9. What is the variety of life in the world or in a particular habitat or ecosystem called? (12 letters)
11. What is the process of converting waste materials into new materials and objects called? (8 letters)
14. Toxic metal that can cause serious health problems, often found in old thermometers and other electronic devices (7 letters)
16. Fibrous mineral that was widely used in building insulation and has been linked to cancer (8 letters)