ENVIRONMENT

3. the protection of nature, animals, and natural resources
5. able to continue for a long time without harming the environment
6. the collection and handling of rubbish and waste materials
8. materials found in nature, such as water, forests, and minerals, that people use for their needs
9. animals or plants that are at risk of disappearing forever
11. long-term changes in the Earth’s weather patterns
12. harmful substances that damage the environment

1. the cutting down of large numbers of trees
2. energy from sources that do not run out, such as solar or wind power
4. process where gases in the Earth’s atmosphere trap heat from the sun and keep the planet warm.
7. not harmful to the environment
10. to process used materials so they can be used again