Health

Several persistent chemicals found in fetal organs

Researchers at Karolinska Institutet found industrial chemicals in the organs of fetuses conceived decades after many countries had banned the substances. In a study published in the journal Chemosphere, the researchers urge ...

Medical research

Researchers show how air pollution may contribute to loss of smell

The loss of smell, a condition known as anosmia, can severely impact a person's quality of life, making it extremely difficult to taste foods, detect airborne hazards in the environment and carry out other functions dependent ...

Health

How hospitals respond to wildfires

Wildfires are becoming worse and more frequent. Massive plumes of smoke—more dangerous than urban pollution—disperse across entire continents, spreading inhalable particles that can cause smoke-related fatalities and ...

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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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