News tagged with pollution

Related topics: air pollution · air quality · greenhouse gas emissions · heavy metals · climate change

Air pollution increases risk of death in Gothenburg

People who live where there are high levels of air pollution have an increased risk of dying prematurely. Air pollution levels in Gothenburg have, however, decreased by half in the past few decades. A doctoral thesis at Sahlgrenska ...

Mar 24, 2016
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Pollution

Pollution is the introduction of contaminants into an environment that causes instability, disorder, harm or discomfort to the ecosystem i.e. physical systems or living organisms . Pollution can take the form of chemical substances, or energy, such as noise, heat, or light energy. Pollutants, the elements of pollution, can be foreign substances or energies, or naturally occurring; when naturally occurring, they are considered contaminants when they exceed natural levels. Pollution is often classed as point source or nonpoint source pollution. The Blacksmith Institute issues annually a list of the world's worst polluted places. In the 2007 issues the ten top nominees are located in Azerbaijan, China, India, Peru, Russia, Ukraine and Zambia.

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