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Amazon River 'Breathes' Carbon Dioxide from Rain Forest
May 23, 2013 | ArticleRiver bacteria can break down plant-based carbon, exhaling it as carbon dioxide.
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Atmospheric Carbon Dioxide Breaks 3-Million-Year Record
May 10, 2013 | ArticleThis "high-water mark" is symbolic but paints a dire outlook for a warming world.
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Greenhouse Gas to Reach 3-Million-Year High
May 03, 2013 | ArticleAtmospheric carbon dioxide is soon to exceed 400 parts per million.
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What Is the Keeling Curve?
May 02, 2013 | ArticleKeeling's work revolutionized climate research.
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Carbon-Dioxide Emissions Falling, But Is That Enough?
April 08, 2013 | ArticleCO2 emissions fell last year, but how much further do they need to go?
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Past Antarctic Warming Linked to Greenhouse Gas
February 28, 2013 | ArticlePast increases in carbon dioxide levels in Antarctica were tied to warming temperatures, suggesting modern greenhouse gas emissions may cause similar warming
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Why Do Soft Drinks Go Flat?
February 04, 2013 | ArticleWhen you pop the top, the pressure inside the can decreases, causing the CO2 to convert to gas and escape in bubbles.
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What is a Carbon Sink?
December 21, 2012 | ArticleNatural carbon storage systems may be blocked by global warming.
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What Can Climate Talks in Doha Accomplish?
November 26, 2012 | ArticleHere are the main points negotiators are expected to tackle in Doha.
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Greenhouse Gas Goals Grow More Elusive
November 22, 2012 | ArticleCountries are not on target to cap global warming, a report says.
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