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February 18, 2015

Methane leaks from three large U.S. natural gas fields in line with federal estimates

Tens of thousands of pounds of methane leak per hour from equipment in three major natural gas basins that span Texas, Louisiana, Arkansas and Pennsylvania, according to airborne measurements published today by a NOAA-led team of scientists. But the overall leak rate from those basins is only about one percent of gas production there—lower than leak rates measured in other gas fields, and in line with federal estimates.
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February 10, 2015

Climate intervention techniques are not ready for wide-scale deployment

There is no substitute for dramatic reductions in greenhouse gas emissions to mitigate the negative consequences of climate change, a National Research Council committee including CIRES director Waleed Abdalati concluded in a two-volume evaluation of proposed climate-intervention ("geoengineering") techniques.
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February 4, 2015

Charting Colorado’s Vulnerability to Climate Change

Sea-level rise may not be not eating away at Colorado’s borders, but climate change exposes other critical vulnerabilities in the state, according to a new report. Rising temperatures will likely take a toll on cattle and crops, for example, and could more often leave junior water rights holders with little water and few options.
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January 30, 2015

WINTER 2015: Investigating eastern US air pollution in wintertime

We tend to think of summer as prime time for pollution—picture the haze that hangs over big cities on hot, steamy days. That's when increased sunlight and temperatures speed up chemical reactions that transform pollutants in the air into other "secondary" pollutants, including ozone, particulate matter, and others. But pollution doesn't cease at summer's end. Instead, the pathways to these familiar summertime pollutants are altered in ways that haven't been well studied and that therefore aren't well understood.
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December 15, 2014

Crowdsourcing Earth's magnetic field

In a major citizen science effort, geophysicists are asking smart phone users around the world for help mapping Earth's magnetic field.
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December 15, 2014

Surprising findings in Greenland’s melt dynamics

San Francisco, California —A combination of new tools and old photographs are giving scientists a better view of Greenland’s ice, and recent discoveries promise to improve forecasts of the region’s future in a warmer world. Overall, the findings show Greenland's ice is vulnerable to periods of rapid change including vicious cycles of warming promoting further warming.
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November 24, 2014

Powdered measles vaccine safe

A measles vaccine made of fine dry powder and delivered with a puff of air triggered no adverse side effects in early human testing and it is likely effective, according to a paper to be published November 28 in the journal Vaccine. The paper is now available online.
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