An analysis of phytoplankton shells doubles previous estimates of the amount of carbon dioxide in the atmosphere 11 million years ago.
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Experts Focus on Efforts by Cities to Deal with Climate Change
Urban areas must take political and practical considerations into account as they prepare for the effects of climate change, say experts at AGU Fall Meeting.
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White House Data Chief Stresses Benefits of Better Communication
DJ Patil urged scientists to make better use of their data to persuasively communicate findings to broad audiences. Some of the best data scientists work in Earth and space sciences, he added.
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Salty Secret Might Aid Carbon Impact of Restored Wetlands
Research on a surprising way rainfall affected the salinity of a boreal peatland might help restorers of such wetlands wrecked by tar sands mining maximize carbon absorption of reclaimed marshes.
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The Backwards Earthquakes
Earthquakes in Idaho's panhandle are usually caused by the Earth's crust pulling apart. So why were earthquakes on 24 April pushing the crust together?
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Experts Urge Europe and the U.S. to Boost Cooperation in Space
By working more closely together, these major space players could better monitor weather and natural hazards, improve communications and satellite security, and extend international cooperation.
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Autonomous Undersea Technologies to Vie for New XPRIZE
The competition aims at improved health and understanding of Earth's oceans by spurring teams to devise better robotic technologies for seafloor mapping and exploration.
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Greenhouse Gas Patterns Offer Promise, Puzzlement
Emissions growth of carbon dioxide has suddenly slowed, but atmospheric methane concentrations continue to soar after a long hiatus. Both trends have a bearing on climate pacts sought this week.
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Ted Cruz Chairs Heated Senate Hearing on Climate Change
Republican-invited witnesses reject consensus view of climate change, charge bias in federal funding. Democratic senators decry attempt to stir controversy about well-established climate findings.