watershed
how to stop the polution
-polution by cars that cause acide rain
+ to prevent pollution they are making electric cars
trash
trash can get stuck on fish and animals and it can kill them and to stop it they have clubs and organization's that help clean up
oil spills
oil spills kill and harm fish and other animals that live around the ocean
to prevent oil spills they are being much more carful when they take oil to places
over fishing
when people over fish in certain areas its makes the fish population a lot lower and to stop that they have made a law about how many fish you can catch in a day and what kind of fish you can catch