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 nations don’t act.
Unless_______________________________________________________________
9. As the world’s temperatures rise, the Arctic keeps losing its ice.
Due to_______________________________________________________________
10. I live by the sea, so I’m really worried about global warming.
If I__________________________________________________________________