News tagged with pollution

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

Hidden hazards found in green products

A University of Melbourne researcher has found that common consumer products, including those marketed as 'green', 'all-natural', 'non-toxic', and 'organic', emit a range of compounds that could harm human ...

Mar 04, 2015
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Traffic jams can hurt the heart

Anyone who has experienced Los Angeles gridlock likely can attest that traffic may cause one's blood pressure to rise. But UC Irvine researchers have found that, beyond the aggravation caused by fellow drivers, ...

Dec 02, 2014
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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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