Rewrite 1. I think you should use energy efficient light bulbs. -If I....... 2. He produced a great idea for our environment project. -He came....... 3. Because she was adsent from the meeting, she didn't know the resolution. -Because of........ 4. I won't take part in the volunteer program because I don't have enough free time. -If I...... 5. We need to reduce our plastic waste, otherwise we'll threaten our own existence. -If we.... 6. Due to the hurricane last night, I was without electric power. -Since there....... 7. People dumped toxic waste Products into the rivers or landfill sites. -Toxic waste products....... 8. Air pollution deaths will double by 2050 if the nations don't act. Unless........ 9. As the world's temperature rise, the Arctic keeps losing its ice. Due...... 10. I live by the sea, so I'm really worried about global warming. If I...... 11. I won't help you if you don't try your best. Unless..... 12. We'll come to the meeting if we aren't busy. Unless......

Rewrite

1. I think you should use energy efficient light bulbs.

-If I were you, I would use energy efficient light bulbs

2. He produced a great idea for our environment project.

-He came up with a great idea for our environment project

3. Because she was adsent from the meeting, she didn't know the resolution.

-Because of being absent from the meeting, she didn't know the resolution

4. I won't take part in the volunteer program because I don't have enough free time.

-If I had enough time, I would take part in the volunteer program

5. We need to reduce our plastic waste, otherwise we'll threaten our own existence.

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

6. Due to the hurricane last night, I was without electric power.

-Since there was a hurricane last night, I was without electric power

7. People dumped toxic waste Products into the rivers or landfill sites.

-Toxic waste products were dumped into the rivers or landfill sites

8. Air pollution deaths will double by 2050 if the nations don't act.

Unless the nations act, air pollution deaths will double by 2050

9. As the world's temperature rise, the Arctic keeps losing its ice.

Due to the rise of world's temperature, the Arctic keeps losing its ice

10. I live by the sea, so I'm really worried about global warming.

If I didn't live by the sea, I wouldn't be worried about global warming

11. I won't help you if you don't try your best.

Unless you try your best, I won't help you

12. We'll come to the meeting if we aren't busy.

Unless we are busy, we'll come to the meeting