Across
- 4. People should develop ... energy sources not to depend on oil.
- 5. Plastic is not ... and can stay in the soil for many years.
- 8. Environmentalists are sounding the alarm of draining
- 9. The loss of ... is a result of animals and plants dying out.
- 11. ... of waste at sea is a global ecological problems.
- 12. The temperature on Earth is constantly rising and people are worried about
- 14. When substances ..., they break down into different chemicals.
- 16. Some dangerous gases may make holes in the ... of the Earth's atmosphere.
- 17. I feel very tired; I don't think I have the ... to play football this evening.
Down
- 1. Our teachers ... us to use recycled paper.
- 2. Steady ... can result in terrible floods where the sea level is low.
- 3. Many wild animals are driven from their ... because of the building of new cities.
- 4. There wasn't enough water left for her to ... the shampoo out of her hair.
- 6. Harmful ... of dangerous gases can cause breathing problems.
- 7. People in our neighbourhood have started a paper recycling ... .
- 10. She was a wonderful teacher. It will be difficult to ... her.
- 13. He ... her birthday present in recycled paper.
- 15. Traffic jams ... both air and noise pollution.