Wednesday, August 27, 2014
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New global assessment examines air pollutants falling on the Earth’s...

Tuesday, April 15, 2014

New global assessment examines air pollutants falling on the Earth’s...

We sat down with Richard Artz, environmental scientist at NOAA’s Air Resources Laboratory, to learn more about the new global assessment of air pollutants that fall to the earth in precipitation and in dry form. The assessment is available online in the journal Atmospheric Environment.

New study: U.S. power plant emissions down

Thursday, January 09, 2014

New study: U.S. power plant emissions down

Power plants that use natural gas and a new technology to squeeze more energy from the fuel release far less of the greenhouse gas carbon dioxide than coal-fired power plants do, according to a new analysis accepted for publication Jan. 8 in the journal Earth’s Future, a journal of the American Geophysical Union. The so-called “combined cycle” natural gas power plants also release significantly less nitrogen oxides and sulfur dioxide, which can worsen air quality.
CIRES, NOAA observe significant methane leaks in a Utah natural gas field

Wednesday, August 07, 2013

CIRES, NOAA observe significant methane leaks in a Utah natural gas field

On a perfect winter day in Utah’s Uintah County in 2012, CIRES scientists and NOAA colleagues tested out a new way to measure methane emissions from a natural gas production field. Their results, accepted for publication in Geophysical Research Letters, constitute a proof-of-concept that could help both researchers and regulators better determine how much of the greenhouse gas and other air pollutants leak from oil and gas fields. 
Scientists working to crack key air quality and climate mysteries in...

Wednesday, June 19, 2013

Scientists working to crack key air quality and climate mysteries in...

Scientists this summer are taking one of the most detailed looks ever at the natural and manmade emissions that affect air quality in the Southeast, and their movement and chemical transformations within the atmosphere. The mission should help scientists determine the origin of the fine particles and how they contribute to the haziness in the region and affect regional air quality and temperature trends.

Los Angeles air pollution declining, losing its sting

Tuesday, June 04, 2013

Los Angeles air pollution declining, losing its sting

The cleanup of California’s tailpipe emissions over the last few decades has not only reduced ozone pollution in the Los Angeles area, it has also altered the pollution chemistry in the atmosphere, making the eye-stinging “organic nitrate” component of air pollution plummet, according to a new study.

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