Noise and light alter bird nesting habits and success

Looking for a bird's-eye view of human impact? A new study published in the journal Nature provides the most comprehensive picture yet of how human noise and light pollution affect birds throughout North America, including ...

A world drowning in plastic pollution

More than 1.3 billion tonnes of plastic will be dumped on land and in the oceans over the period from 2016 to 2040 unless the world acts, say a team of 17 global experts who have developed a computer model to track the stocks ...

New, rapid mechanism for atmospheric particle formation

Carnegie Mellon University researchers working with an international team of scientists have discovered a previously unknown mechanism that allows atmospheric particles to very rapidly form under certain conditions. The research, ...

New tool visualizes nature's benefits worldwide

Nature supports people in critical ways, often at a highly local level. Wild bees buzz through farms, pollinating vegetables as they go. Nearby, wetlands might remove chemicals from the farm's runoff, protecting a community ...

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