Across
- 1. the introduction of contaminants into the natural environment that cause adverse change
- 4. avoidance of the depletion of natural resources in order to maintain an ecological balance
- 6. National Environmental Policy Act (1969);
- 9. Biological diversity
- 11. holiday in April that celebrates the earth
- 14. Resources and Conservation Act; bill introduced to congress in 1959
- 15. the gases in the atmosphere that raise the surface temperature of planets
Down
- 1. a substance that pollutes something
- 2. President who felt strongly towards the environment; also formed the EPA
- 3. Environmental Protection Agency; an organization that would permit response to environmental problems
- 5. book by Rachel Carson that shines light on the detrimental effects on animals and humans by the use of pesticides
- 7. the study of the relationships between living organisms
- 8. Where biological organisms exist
- 10. Council on Environmental Equality
- 12. Toxic Substances Control Act
- 13. prevention of wasteful use of resources