Look out for harmful UV rays
The UV index number is a great way to determine how intense the suns ultraviolet rays are. Full story
LA Pollution Is Losing Its Sting, Study Shows
An "eye-stinging" air pollutant in Los Angeles is decreasing due to stricter vehicle emissions standards in Southern California and the United States, a new study that examined emissions of chemicals in the City of Angels found. Full story
Sea Ice Loss Could Alter Arctic Air Chemistry
Over the past 30 years, the Arctic has warmed more than any other place on the planet, and that warming and the resulting melt of the region's sea ice presents a number of potential adverse effects, from impacts on weather systems to the decline in the habitats of native species. Full story
8 Totally Cool Uses for Drones
Just a few years ago, drones, or unmanned aerial vehicles (UAVs), were virtually unknown. Full story
Cause of Odd Arctic Ozone 'Hole' Found
Cold temperatures, chlorine and a stagnant atmosphere caused a thinning in the ozone layer over the Arctic in 2011, a new NASA study finds. Full story
Ozone levels linked to cardiac arrest
NEW YORK (Reuters Health) - Cardiac arrests are more likely when levels of air pollution - especially soot-like particles and ozone - have been high in recent days or even hours, according to a large study from Texas. Full story
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File photo of the financial district of the City of London
The sun rises above the financial district of the City of London in this April 23, 2011 file photo. London, the continent's biggest city, has one of the biggest problems with air. It has the highest levels of nitrogen dioxide of any European capital; the colourless, odourless gas is produced by bur
