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The Risks of Geoengineering
Geoengineering and the Ozone Layer NASA When it comes to climate change, a quick fix won't do. Science published a paper Friday from the National Center for Atmospheric Research (NCAR) which concludes...
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Spraying Safely
Aerosol Cans Getty Images Dear EarthTalk: What's the deal nowadays with aerosol spray cans? I thought that the ozone-depleting chemicals used in them were eliminated back in the 1970s. Is this true?...
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Study Finds Ozone Hole Repair Contributes To Global Warming, Sea Ice Melt
Ozone Hole, circa 2006 courtesy of NASA In 1985, scientists from the British Antarctic Survey found a giant hole in the ozone layer of Earth's atmosphere over the South Pole. This discovery prompted a...
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Archive Gallery: The Birth of Environmentalism
Ozone Debate View Photo GalleryThe year 1970 was a pivotal one for the modern environmental movement: on April 22, U.S. Senator Gaylord Nelson founded Earth Day, which quickly grew from a grassroots...
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Five Reasons You Should Care About the New Ozone Hole Over the Arctic
Two Poles, Two Holes These top two maps show total ozone, and the bottom show ozone deficit. The Arctic is in the left column and the Antarctic on the right. Nature/Manney et al. A prolonged chill in...
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The Ozone Layer Is On The Mend
Ozone Hole Over Antarctica In this false-color image of total ozone over the South Pole on September 8, 2014, blues and purples are areas of least ozone, and yellows and reds show where the ozone...
View ArticleThe Risks of Geoengineering
When it comes to climate change, a quick fix won't do. Science published a paper Friday from the National Center for Atmospheric Research (NCAR) which concludes that a…
View ArticleStudy Finds Ozone Hole Repair Contributes To Global Warming, Sea Ice Melt
In 1985, scientists from the British Antarctic Survey found a giant hole in the ozone layer of Earth's atmosphere over the South Pole. This discovery prompted a largely…
View ArticleArchive Gallery: The Birth of Environmentalism
The year 1970 was a pivotal one for the modern environmental movement: on April 22, U.S. Senator Gaylord Nelson founded Earth Day, which quickly grew from a grassroots…
View ArticleFive Reasons You Should Care About the New Ozone Hole Over the Arctic
A prolonged chill in the atmosphere high above the Arctic last winter led to a mobile, morphing hole in the ozone layer, scientists report in a new paper. It's just like the…
View ArticleThe Ozone Layer Is On The Mend
An international agreement to phase out use of chemicals that damage the ozone layer appears to be working. A new report finds that ozone-depleting substances in the…
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NASA's new ozone layer watchdog takes orbit
Space The ozone layer is no longer thinning, but we need to keep an eye on it If you should ever wonder how Earth’s ole ozone layer is holding up, rest assured, because NASA is watching it,...
View ArticleClik here to view.
The Risks of Geoengineering
One proposed fix for the planet's climate problems could create more problems than it solves When it comes to climate change, a quick fix won't do. Science published a paper Friday from the National...
View ArticleClik here to view.
Spraying Safely
Science How green are aerosol cans now, with chlorofluorocarbons out of the picture? Dear EarthTalk: What's the deal nowadays with aerosol spray cans? I thought that the ozone-depleting chemicals used...
View ArticleClik here to view.
Study Finds Ozone Hole Repair Contributes To Global Warming, Sea Ice Melt
The 20th century's biggest environmental success may exacerbate the 21st century's biggest environmental crisis In 1985, scientists from the British Antarctic Survey found a giant hole in the ozone...
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Archive Gallery: The Birth of Environmentalism
Science On the 40th anniversary of Earth Day, we take a look back at where it all began The year 1970 was a pivotal one for the modern environmental movement: on April 22, U.S. Senator Gaylord Nelson...
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Five Reasons You Should Care About the New Ozone Hole Over the Arctic
Science Some answers from an atmospheric scientist A prolonged chill in the atmosphere high above the Arctic last winter led to a mobile, morphing hole in the ozone layer, scientists report in a new...
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The Ozone Layer Is On The Mend
Science FTW An international agreement to phase out use of chemicals that damage the ozone layer appears to be working. A new report finds that ozone-depleting substances in the…
View ArticleClik here to view.
NASA's new ozone layer watchdog takes orbit
Space The ozone layer is no longer thinning, but we need to keep an eye on it If you should ever wonder how Earth’s ole ozone layer is holding up, rest assured, because NASA is watching it,...
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