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Extreme Heat Raises Climate Change Questions, Concerns
July 5, 2012 — The recent heat wave baking much of the country has prompted many people to ask: Is this due to climate ... > full story -
Ozone Exposure Linked to Potential Heart Attacks
June 25, 2012 — Young, healthy adult volunteers exposed for two hours to ozone developed physiological changes associated with cardiovascular ailments, according to a small ... > full story -
Volcanic Gases Could Deplete Ozone Layer
June 12, 2012 — Giant volcanic eruptions in Nicaragua over the past 70,000 years could have injected enough gases into the atmosphere to temporarily thin the ozone layer, according to new research. And, if it ... > full story -
Satellite Sees Smoke from Siberian Fires Reach the US Coast
June 12, 2012 — Fires burning in Siberia recently sent smoke across the Pacific Ocean and into the US and Canada. Images of data taken by the nation's newest Earth-observing satellite tracked aerosols from the fires ... > full story -
Humanmade Pollutants May Be Driving Earth's Tropical Belt Expansion: May Impact Large-Scale Atmospheric Circulation
May 16, 2012 — Black carbon aerosols and tropospheric ozone, both humanmade pollutants emitted predominantly in the Northern Hemisphere's low- to mid-latitudes, are most likely pushing the boundary of the tropics ... > full story -
DC3: Chemistry of Thunderstorms
May 9, 2012 — NASA researchers are about to fly off on a campaign that will take them into the heart of thunderstorm country. The Deep Convective Clouds and Chemistry (DC3) field campaign will use an airport in ... > full story -
Japan Shares Space Station SMILES Via Atmospheric Data Distribution
March 20, 2012 — Did you panic when you heard in recent news that two massive solar flares from the Sun were hitting Earth's atmosphere? The coronal mass ejections, or CMEs, typically produced by solar flares might ... > full story -
Sea Ice Drives Arctic Air Pollutants, NASA Finds
March 1, 2012 — Drastic reductions in Arctic sea ice in the last decade may be intensifying the chemical release of bromine into the atmosphere, resulting in ground-level ozone depletion and the deposit of toxic ... > full story -
CFC Substitutes: Good for the Ozone Layer, Bad for Climate?
February 24, 2012 — The Montreal Protocol led to a global phase-out of most substances that deplete the ozone layer, such as chlorofluorocarbons (CFCs). A happy side-effect of the gradual ban of these products is that ... > full story -
Short-Term Exposure to Most Major Air Pollutants Associated With Increased Risk of Heart Attack
February 14, 2012 — Short-term exposure (for up to 7 days) to all major air pollutants, with the exception of ozone, is significantly associated with an increased risk of heart attack, according to a new review ... > full story
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