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Federal court upholds Bush-era smog standard

A federal court on Tuesday upheld a 2008 air pollution standard the Obama administration vowed to strengthen, but later reversed itself and kept in place. Full story

Burst Appendix Linked to Ozone Air Pollution

High levels of ozone — a major component of smog — may increase the risk of a burst appendix, according to a new study from Canada. Full story

2 Million Deaths Yearly Worldwide Linked with Air Pollution

Air pollution may be responsible for more than 2 million deaths around the world each year, according to a new study. 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

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Cause of Odd Arctic Ozone 'Hole' Found

Ozone levels linked to cardiac arrest

Ozone Hole Shrinks to Record Low

The Kilogram Has Gained Weight

The kilogram may need to go on a diet

Penguins' private lives recorded in Antarctica

Antarctic Ozone Hole 2nd Smallest in 20 Years

Record-High Antarctic Sea Ice Levels Don't Disprove Global Warming

Storm Clouds May Punch Holes in Ozone

Related Photos

Report Places Los Angeles At Top Of List For City With Worst Traffic And Smog
Report Places Los Angeles At Top Of List For City With Worst Traffic And Smog

LOS ANGELES, CA - APRIL 25: Morning traffic fills the SR2 freeway on April 25, 2013 in Los Angeles, California. The nation's second largest city, Los Angeles, has again been ranked the worst in the nation for ozone pollution and fourth for particulates by the American Lung Association in it's annua

File photo of the financial district of the City of London
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