Across
- 1. The first step in the system of materials economy
- 2. The clearing and change in land use
- 3. The range of organisms in a community
- 5. First prominent environmentalist; wrote "Silent Spring"
- 8. Cutting The removal of some or all trees in an area
- 9. Although not hazardous this type of waste is a nuisance because it does not biodegrade
- 10. Professionals who work in the forestry industry
- 11. Organic material that has been broken down until it resists more decomposing
- 12. High Density Polyethylene
- 13. The pollution of this is one of the most pressing environmental issues today
Down
- 1. Humanity demand on the biosphere
- 4. An aspect of forestry that involves the harvesting and managing of forests
- 6. Describes all forms of pollution from buying fossil fuels that lead to acid deposition
- 7. One of the four key requirements of plants
- 10. The integrated science of creating, managing, and conserving forests
