Environment Crossword

2. Able to be maintained at a certain rate or level without depleting resources
7. Energy that comes from natural sources and is considered environmentally friendly
8. The act of protecting and preserving natural resources and the environment
9. Energy that is collected from resources that are naturally replenished
12. A condition where the number of people exceeds the capacity of the environment to support life
17. The variety of life in the world or in a particular habitat
18. The process of collecting treating and disposing of waste
19. The permanent loss of a species from Earth

1. The process in which natural habitat is rendered unable to support the species present
3. Gases that trap heat in the atmosphere contributing to global warming
4. Capable of being broken down by natural processes
5. Grown or made without the use of artificial chemicals
6. Having a balance between emitting carbon and absorbing carbon from the atmosphere
10. The stability of an ecosystem when species and resources are in harmony
11. The act of releasing something especially gas or radiation into the environment
13. The total amount of greenhouse gases produced by human activities
14. A type of air pollution caused by the interaction of sunlight with pollutants
15. Natural fuels formed from the remains of ancient plants and animals
16. A protected area for the conservation of wildlife