Health

Notre-Dame cathedral site, schools shut over lead fears

Work to shore up the fire-ravaged Notre-Dame cathedral in Paris was halted Thursday to stop workers being exposed to hazardous levels of lead hours after two nearby schools were also closed because of contamination fears.

Health

Backyard chickens and the risk of lead exposure

When Teresa McGowan and her husband first bought their Somerville, Massachusetts, home in 2004, one of the first things they did was test the soil in their yard for lead. It was a recommendation from local gardeners, who ...

Health

Keep pets away from gardens to prevent food-borne illness

Animal waste tainting fresh produce is one of the major causes of food-borne ailments. So farmers markets and pick-your-own growers who fear fecal contamination are increasingly guarded about tolerating pets near their edibles.

page 1 from 23

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