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Permafrost Contains Vast Store of Carbon
Permafrost NASA With so much focus on sea ice and ice shelves, the role of permafrost in the global climate cycle is often not on the public's radar screen. But according to a new study published last...
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Duplicating Meat
Pigs Getty Images Dear EarthTalk: What's the story with animal cloning? Is the meat industry really cloning animals now to "beef up" production? -- Frank DeFazio, Sudbury, MACloning has been...
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Gaseous State
Gaseous State Marcos Brindicci (Blow it up!) In a lush pasture near Buenos Aires, this cow and its compatriots are digesting important information: how much methane—a greenhouse gas 20 times as potent...
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Will We Run Out Of Breathable Oxygen If We Produce Too Much Carbon Dioxide?
Oxygen acme (CC Licensed) Here's why you might be worried: Burning oil, coal, gas, wood or other organic materials uses molecular oxygen, the O2 we breathe, to break carbon-hydrogen bonds and release...
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pH Down, Noise Up
Under the Sea Duchamp (CC Licensed) As increased levels of atmospheric carbon dioxide (CO2) dissolve in the Earth's oceans, seawater is becoming warmer and more acidic. Now, a new study concludes that...
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An Ecological Leap
Kangaroo spaceodissey (CC Licensed) What makes an eco-friendly meal? It's a question that has caused many heated arguments. Some say vegetarian, or even vegan, meals are the best way to lead a green...
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Thinking Beyond the Windmill
River Dance: Man-made lily pads on the River Clyde harvest solar power in the day and glow at night Photo courtesy ZM Architecture Lily Pads as Power OutletsSolar panels don't have to be eyesores. The...
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Deserts in the Ocean
Effluent We Are CS, courtesy Flickr Dear EarthTalk: What are these "ocean deserts" I've been hearing about? Also didn't I read that there was a huge mass of plastic bottles floating around somewhere...
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Spyplanes of the Arctic
Dek Unmanned aerial vehicles track Arctic ice ArrayDaily Arctic sea ice extent for September 23, 2008, was 4.59 million square kilometers (1.77 million square miles). The orange line shows the average...
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Indonesia's New Tsunami Warning System
Aftermath of Sri Lankan Tsunami sarvodaya.org (CC Licensed) Nearly four years after a series of disastrous tsunami waves struck coastlines bordering the Indian Ocean, a new Tsunami Early Warning...
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The Top 10 Volcanic Eruptions
5. Krakatoa One of the most famous eruptions of all time, the August, 1883 Krakatoa explosion altered sunsets around the world, completely demolishing the Indonesian island. The eruption released nine...
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Who Released a New Movie That’s Green As it Can Be?
Disney Tree-Planters (L-R) Disney's Mark Zoradi, DisneyNature Jean-Francois Camilleri, Disney's Dick Cook, Disney's Robert Iger, Director Alastair Fothergill and Director Mark Linfield at the World...
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Happy Earth Day! Videos, a Gallery, and Our Biggest Giveaway Yet
Planet Earth Box Set Check out PopSci.com's gallery of stunning images from the popular BBC series Planet Earth and leave a comment for a chance to win big in our Earth Day Giveaway! Two lucky winners...
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PopSci Walks the Walk (Instead of Driving)
Canvas Tote Image courtesy of thingermejig via Flickr.com View Photo GalleryPopSci is celebrating Earth Day in all kinds of green ways! Check out our gallery to see what we're doing for the planet...
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Comic: Baked Alaska
Gas hydrates could produce more energy than all other fossil fuels combined. Alaska's got a giant stash of this alternative energy source beneath its north slope. Check out this comic to get the inside...
View ArticlepH Down, Noise Up
As increased levels of atmospheric carbon dioxide (CO2) dissolve in the Earth's oceans, seawater is becoming warmer and more acidic. Now, a new study concludes that one result of more acidic seas is...
View ArticleAn Ecological Leap
What makes an eco-friendly meal? It's a question that has caused many heated arguments. Some say vegetarian, or even vegan, meals are the best way to lead a green lifestyle, since the livestock...
View ArticleThinking Beyond the Windmill
Lily Pads as Power Outlets Solar panels don’t have to be eyesores. The city of Glasgow is considering the installation of giant, glowing solar "lily pads" on the River Clyde. Designed by Scottish firm...
View ArticleDeserts in the Ocean
Dear EarthTalk: What are these "ocean deserts" I've been hearing about? Also didn't I read that there was a huge mass of plastic bottles floating around somewhere on the ocean surface? -- Wally...
View ArticleIndonesia's New Tsunami Warning System
Nearly four years after a series of disastrous tsunami waves struck coastlines bordering the Indian Ocean, a new Tsunami Early Warning System is up and running in Indonesia. Using a series of buoys...
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