Sentences with phrase «pollutants out of our rivers»

Not exact matches

Topsoil and natural vegetation would ordinarily filter many of these pollutants out, but the impermeable pavement that covers much of the surface where these pollutants originate carries it right into storm drains and into streams, rivers, lakes and the ocean where it can poison marine life — which we might eat — as well as entire riparian or coastal ecosystems.

Before the water came out of your tap, it came from the ground or reservoirs or rivers where nearby forests and wetlands filtered out silt and other pollutants.