Beijing to issue new smog data after online outcry

Beijing's government on Friday bowed to a vocal online campaign for a change in the way air quality is measured in the Chinese capital, one of the world's most polluted cities.

Pollen influences optical properties of the atmosphere

Pollen reflects more sunlight than previously known, and makes up to one third of the total amount of aerosol particles in the atmosphere. Aerosol particles influence optical depth which provides a measure of the opacity ...

EPA requires cleanup of mercury from cement plants

The Environmental Protection Agency on Monday announced the nation's first limits on mercury emissions from cement plants. The decision also will require reductions of other harmful pollutants from cement plants, including ...

Environment Canada cuts threaten science, international agreements

Recent cuts to the scientific workforce of Environment Canada, a government agency responsible for meteorological services and environmental research, threaten scientific research related to the ozone layer in the upper atmosphere ...

Beijing to give clearer indication of air quality

(AP)—Beijing authorities have completed a network of monitors that will more accurately measure air quality in the smog-ridden city after being pushed into it by public pressure and pollution reports from the U.S. embassy.

Four countries bring air pollution under EU limit

Eight European Union countries exceeded the bloc's air pollution limits in 2011, down from 12 the previous year, the European Environment Agency said in a report published on Monday.

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