Across
- 2. The state or fact of being at risk of extinction
- 4. The increase in the Earth's temperature caused by increased levels of carbon dioxide
- 7. Energy that is created from natural resources such as wind, sun, or water
- 8. The complete destruction of something
- 10. An overflowing of water onto land that is normally dry
Down
- 1. The process of reusing and repurposing materials
- 3. Materials or substances that are no longer wanted or needed
- 5. The trapping of heat in the Earth's atmosphere by certain gases
- 6. A sudden shaking of the ground
- 8. conservation The process of using less energy
- 9. slick A layer of oil that floats on the surface of the ocean