1. If I were you, I'd use energy light bulbs 

2. He came up with a great idea for our environmental project 

3. Because of her adsence from the meeting, she didn't know the resolution 

4. If I had enough free time, I'd take part in the volunteer programs 

5. If we don't reduce our plastic waste, we'll threaten our own existence 

6. Since there was a hurricane last night, i was without electricity 

7. Toxic waste products were dumped into the rivers or landfill sites 

8. Unless nations act, air pollution deaths will double by 2020

9. Due to the rise in the world's temperatures, the Arctic keeps losing its ice 

10. If I didn't live by the sea, I wouldn't be so worried about global warning

Chúc bn học tốt !!!

Chúc chế hk tốt nghen:))