Across
- 3. production and discharge of something, esp. gas or radiation., or a thing emitted
- 4. the rapid development of an industry
- 6. gases- such as carbon dioxide, methane, nitrous oxide, and chlorofluorocarbons, that keep the earth's heat from escaping through the atmosphere
- 7. a change in the world’s climate
- 8. addresses the potential harm from genetically modified organisms and products to biological diversity and humane health and society
- 9. species of plants and animals that face extinction
- 10. Any of a class of compounds of carbon, hydrogen, chlorine, and fluorine
- 12. a vegetation class consisting of tall, close-growing trees, that occurs in areas of hight temperature and rain fall
- 13. also known as CO2
Down
- 1. Rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm, typically to forests and lakes.
- 2. oil, coal, and natural gas formed from plants and animals that lived millions of years ago
- 4. countries that have a high level of development
- 5. waste matter that contaminates the water or air or soil.
- 11. layer A region of the upper atmosphere, that absorbs solar ultraviolet radiation