Across
- 2. deadly or poisonous (of waste, chemicals, pollutants, etc.)
- 5. to reduce as much as possible
- 8. to give money or goods to an organization you want to help or support
- 9. carrying harmful bacteria or toxins that can cause disease or death
- 11. to keep from harm
Down
- 1. animals, birds, insects, etc. living naturally in the wild
- 3. to put organic waste like vegetable peels, uneaten food, grass clippings and leaves into a large container that breaks it down into healthy soil
- 4. to make something new from materials that have been used before
- 6. the complex system of relationships between living things and their environment
- 7. the place in which a species normally lives
- 10. a thick dirty cloud at ground level caused by pollutants reacting to sunlight