People
Pollution destroys the food chain in the GREAT LAKES.
people.
Invasive species...........pollution
Air pollution causes acid to accumulate in rivers and lakes.
Air pollution
stuff was dumped in it.
The pollution of waters is very important.
This may be a stupid answer but it will help... We can all help cut down on pollution in the great lakes by reducing reusing and recycling. We can also try our best to avoid using harmful chemicals and if we do to dispose of them properly.
fish die,animals can get sick that drink from it,hurts the enviroment
Pollution and the shape of lakes.
cats with fluffy tails