Varying amounts of glacial debris in a core of ancient sediment show the ice cover grew and shrank until airborne carbon dioxide levels fell below 600 parts per million, spurring steady growth.
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NOAA's 2017 Budget Would Support Observational Infrastructure
The Obama administration's budget request includes funding for an initiative to vastly boost the number of water-monitoring sites used to forecast floods, droughts, and other hydrological impacts.
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Faster-Merging Snow Crystals Speed Greenland Ice Sheet Melting
Satellite data and modeling reveal a trend toward coarser-grained, more-light-absorbent snow.
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Forensic Analysis of Landslide Reveals Rocky Secrets
Scientists used drones, seismic data, and eyewitness accounts to figure out what unleashed an unthinkably large landslide on a spring day in Colorado.
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Congress Tussles over Bill to Provide Stability to NASA
Witnesses at a congressional hearing highlighted the need to provide stability to NASA but were lukewarm in supporting specific provisions of the proposed Space Leadership Preservation Act.
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McNutt Breaks Barriers as Incoming Science Academy President
Two traditions fall to the wayside as the U.S. National Academy of Sciences selects its first woman ever as president and, in choosing her, elevates its second consecutive geoscientist to the helm.
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More Acidic Oceans Could Reduce Fertility for Algae Eaters
New research shows that increased levels of carbon dioxide in the oceans cause changes that alter key nutrients essential to the reproduction of animals low on the food web.
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Dirty Water: Unintended Consequence of Climate Resiliency
Scientists testing the quality of floodwater in a Florida city find potentially harmful bacteria.
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Court Delay on U.S. Climate Plan Won't Stop Clean Energy Efforts
While many states wait for judicial clarity, analysts predict that the move toward clean energy and emissions reductions will continue.