Our Environment

2. ______ rain is created by pollution in the atmosphere that can cause harm to the environment.
4. You should ______ less to decrease pollution.
5. Taking public ______ is a great way to help reduce air pollution.
6. ______ production is the production of unwanted materials as a by-product of economic processes.
9. Air ______ is the presence of substances in the air that have harmful or poisonous effects.
12. The condition of being populated with excessively large numbers is called ______.
14. Don't just throw it away. Try to ______ it.
15. ______ warming is a gradual increase in the overall temperature of the earth's atmosphere.

1. ______ pollution is caused by waste from home, factories and other buildings leaking into bodies of water.
3. The action of clearing/cutting down a wide area of trees is called ______.
7. When you brush your teeth, ______ water by turning off the tap.
8. A living organism who genetic material has been altered is called a ______.
10. ______ fuel is a natural fuel such as coal or gas.
11. When you go shopping, make sure to bring your _______ bag.
13. _____ a tree or two. It is good for everyone's health.