How to avoid the pollution.

The water is one of the most important resources in the world and we can all support to stop the pollution.
There are some important tips that can take to avoíd the pollution:

Not thow waste on the streets, lake, river.
Pick up your pet waste is another way to prevent water pollution.
Use pesticides un lawn means that means that when it rains en land for garden chemicals, overturing them in the sewers.