As we know precautions are better than cure.hence first of all we shoulad know what are the factors which leads to the environment pollution.using vehicles, burning of plastic, polluting river by adding animal waste or toilet waste to the river, using high pitch sound producing speakers, excess use of fertilisers and many other things leads to environmental pollution.
So to control over it we need to step forward.it start from ourselves we can do plantation, and avoid all that pollution leading causes.