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China's Smog Levels Reach 50 Times the Limit: 'Everybody is at Risk'
A cyclist rides through smog in Shenyang.
November 11th, 2015
Shenyang's smog is even a problem for healthy individuals.
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Air Pollution Kills More than 3 Million People Globally Every Year
Hong Kong's skyline
September 16th, 2015
Outdoor air pollution kills 3.3 million people around the world every year, according to a new study.
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Dust Clouds the Future of the South Asian Monsoon (Op-Ed)
monsoon, storms, thunderstorms, lightning
July 10th, 2015
Pollution and dust is shrinking the monsoon season, threatening the crops that feed millions.
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Volkswagen Scandal: Why Is It So Hard to Make Clean Diesel Cars?
volkswagen car steering wheel
September 24th, 2015
Getting diesel cars to operate with high fuel efficiency, power and clean emissions is a challenging problem, which may be why Volkswagen cheated the system.
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Contaminated River: Photos of a Colorado Mine Spill
colorado mine spill images
August 12th, 2015
Three million gallons of water contaminated with heavy metals and other toxins spilled out of Colorado's Gold King Mine, turning the Animas River a mustard color and contaminating waterways. Here's a look at the toxic spill.
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Fourth of July Downer: Fireworks Cause Spike in Air Pollution
independence, fireworks, Fourth of July, 4th of July
July 1st, 2015
Fireworks are a beloved tradition of the Fourth of July, but the colorful displays also bring a spike in air pollution, a new study shows.
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2011 Japan Tsunami Unleashed Ozone-Destroying Chemicals
An aerial view of damage to Sukuiso, Japan, a week after the earthquake and subsequent tsunami devastated the area in March, 2011.
April 3rd, 2015
The 2011 Japan tsunami released thousands of tons of ozone-destroying chemicals and greenhouse gases into the air.
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Energy Vampires: Pulling the Plug on Idle Electronics (Op-Ed)
September 23rd, 2015
Idle electronics, the energy vampires in nearly every U.S. home, aren't going away — but you can take steps to pull the plug, and save some money.
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Sea Creatures Make Brighter Clouds to Cool the Earth
Marine stratocumulus clouds, algae snot, cloud formation
July 18th, 2015
Green globs of little critters in the ocean are responsible for half of the cloud droplets that cover the Southern Ocean during the summer – the link between the critters and clouds provides needed insight for predicting the effects of climate change.
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Air Pollution May Shrink the Brain, Study Suggests
pollution, smog, pollutants
April 23rd, 2015
People who breathe polluted air every day may have smaller brains, and a higher risk for "silent strokes," researchers say.
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