Across
- 3. Every person can do a lot to ... our planet!
- 6. Switching off the light when you're out of the room is one of the basic ways of energy ...
- 7. Did you know that such a simple thing as a used battery is actually a typical example of ... waste?
- 9. The air quality becomes worse because of the exhaust ... from the vehicles
Down
- 1. The extraction of the country's ... resources must be regulated by the government so that they are used in the best way possible
- 2. Did you know that petrol was once a ... of oil refinery and was invented accidently?
- 4. Many ... became endangered as a result of hunting and poaching
- 5. In recent years the governments discussed the possibility of replacing ... fuels (such as natural gas and oil) with alternative ones
- 7. ... industries pollute the environment in every way possible
- 8. We definitely have to cut ... on using plastic bags!