News tagged with pollution
Related topics: air pollution , air quality , greenhouse gas emissions , heavy metals , climate change
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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Academic researchers have found that breathing motor vehicle emissions triggers a change in high-density lipoprotein (HDL) cholesterol, altering its cardiovascular protective qualities so that it actually contributes to clogged ...
Cardiology May 15, 2013 | 4 / 5 (4) | 0 |
Living close to a major road may impair kidney function—itself a risk factor for heart disease and stroke—and so help contribute to the known impact of air pollution on cardiovascular risk, suggests research published ...
Health May 13, 2013 | not rated yet | 0
New research from Wake Forest Baptist Medical Center finds that suicide, while strongly associated with psychiatric conditions, also correlates with environmental pollution.
Psychology & Psychiatry May 13, 2013 | 3 / 5 (2) | 1