Health

COVID-19: the impact of air pollution

With research interests in the environmental origins of asthma, Hyunok Choi has a deep understanding of the impact of air pollution on human health. She has a Ph.D. in environmental health sciences from Columbia University ...

Health

Environmental contaminants alter gut microbiome, health

The microbes that inhabit our bodies are influenced by what we eat, drink, breathe and absorb through our skin, and most of us are chronically exposed to natural and human-made environmental contaminants. In a new paper, ...

Diseases, Conditions, Syndromes

Beijing bans 'uncivilised' behaviour to improve public hygiene

Beijing has banned "uncivilised" behaviour such as not covering the mouth and nose when coughing or sneezing, the city government said Sunday, in a new set of regulations to improve public hygiene amid the coronavirus outbreak.

page 1 from 75

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.

This text uses material from Wikipedia, licensed under CC BY-SA