Talks kick off on global plastic trash treaty

Despite decades of effort, plastic pollution is only getting worse—a gloomy fact that representatives of almost 200 nations meeting in Uruguay Monday are determined to change.

Vehicle pollution zone to cover all of London

Older and more heavily polluting vehicles will have to pay to enter the entire metropolitan area of London from next August, the British capital's mayor said Friday.

Scientists say chemicals could undercut global plastics treaty

Next week the United Nations intergovernmental negotiating committee will meet in Uruguay to develop an international legally binding instrument on plastic pollution. There is concern brewing among scientists that the negotiations ...

page 1 from 40

Pollutant

A pollutant is a waste material that pollutes air, water or soil, and is the cause of pollution.

Three factors determine the severity of a pollutant: its chemical nature, its concentration and its persistence. Some pollutants are biodegradable and therefore will not persist in the environment in the long term. However the degradation products of some pollutants are themselves polluting such as the products DDE and DDD produced from degradation of DDT

This text uses material from Wikipedia, licensed under CC BY-SA