Recycling plastic not enough, warns UN environment chief

With the production of plastic on the rise worldwide and creating ever more pollution, the UN environment chief warned that humanity cannot just recycle its way out of the mess, and she called for a total rethink about the ...

How air pollution is making life tougher for bugs

Whether you love them or loathe them, we all depend on bugs. Insects help to pollinate three-quarters of the world's crop varieties, making them a treasured resource.

Chicago's West Side is an air pollution hotspot, new study finds

The western edge of Chicago—including the North and South Lawndale, East Garfield Park, Archer Heights and Brighton Park neighborhoods—experiences up to 32% higher concentrations of nitrogen dioxide (NO2) air pollution ...

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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

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