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American Chemical Society honors measurement set at NOAA observatory

American Chemical Society honors measurement set at NOAA observatory

The American Chemical Society will designate the Keeling Curve – a long-term record of rising carbon dioxide in the planet’s atmosphere -- as a National Historic Chemical Landmark in a ceremony April 30 at NOAA’s Mauna Loa Observatory in Hawaii.


April 23, 2015 0 Comments
Scientists probe methane mystery in Four Corners

Scientists probe methane mystery in Four Corners

A team of scientific investigators is now in the Four Corners region of the U.S. Southwest, aiming to uncover reasons for a mysterious methane hotspot detected from space by a European satellite. The joint project is working to solve the mystery from the air, on the ground, and with mobile laboratories.

April 7, 2015 0 Comments
Methane leaks from three large U.S. natural gas fields in line with federal estimates

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.

February 18, 2015 0 Comments
NOAA contributes key carbon dioxide data to global carbon assessment

NOAA contributes key carbon dioxide data to global carbon assessment

A global report released this week on changing carbon dioxide levels in Earth’s atmosphere, oceans, and land environment draws heavily from data and observations by NOAA research scientists and their partners. For the first time, the annual assessment by the Global Carbon Project uses data obtained from autonomous instruments installed by NOAA scientists on its ships and other ships of opportunity and moorings to determine the variability of  carbon dioxide in the surface ocean. 

September 25, 2014 0 Comments
Greenhouse gases continued rising in 2013; 34 percent increase since 1990

Greenhouse gases continued rising in 2013; 34 percent increase since 1990

NOAA’s latest Annual Greenhouse Gas Index (AGGI), released today, Friday, May 2, 2014, shows that the warming influence from human-emitted gases continued to increase in 2013. This trend that began with the Industrial Revolution of the 1880s has accelerated in recent decades.

May 2, 2014 0 Comments
Greenhouse gases continue climbing; 2012 a record year

Greenhouse gases continue climbing; 2012 a record year

NOAA’s updated Annual Greenhouse Gas Index (AGGI), which measures the direct climate influence of many heat-trapping gases like carbon dioxide and methane, shows 2012 continued the steady upward trend that began with the Industrial Revolution of the 1880s.  Last year, CO2 at the peak of its cycle reached 400 ppm for one month at all eight Arctic sites for the first time.
August 1, 2013 0 Comments
Carbon Dioxide at NOAA’s Mauna Loa Observatory reaches new milestone: Tops 400 ppm

Carbon Dioxide at NOAA’s Mauna Loa Observatory reaches new milestone: Tops 400 ppm

On May 9, the daily mean concentration of carbon dioxide in the atmosphere of Mauna Loa, Hawaii, surpassed 400 parts per million (ppm) for the first time since measurements began in 1958.

May 10, 2013 0 Comments
NOAA, partners: Earth’s oceans and ecosystems still absorbing about half the greenhouse gases emitted by people

NOAA, partners: Earth’s oceans and ecosystems still absorbing about half the greenhouse gases emitted by people

Earth’s oceans, forests and other ecosystems continue to soak up about half the carbon dioxide emitted into the atmosphere by human activities, even as those emissions have increased, according to a study by University of Colorado and NOAA scientists published today in the journal Nature.

August 1, 2012 0 Comments
NOAA: Carbon dioxide levels reach milestone at Arctic sites

NOAA: Carbon dioxide levels reach milestone at Arctic sites

The concentration of carbon dioxide in the atmosphere of Barrow, Alaska, has reached a new milestone this spring, according to NOAA measurements.

May 31, 2012 0 Comments
NOAA-led study: Colorado oil and gas wells emit more pollutants than expected

NOAA-led study: Colorado oil and gas wells emit more pollutants than expected

When NOAA scientists began routinely monitoring the atmosphere’s composition at a tower north of Denver a few years ago, their instruments immediately sniffed something strange: plumes of air rich with chemical pollutants including the potent greenhouse gas methane.

February 27, 2012 0 Comments
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Oceanic and Atmospheric Research (OAR) - or "NOAA Research" - provides the research foundation for understanding the complex systems that support our planet. Working in partnership with other organizational units of the NOAA, a bureau of the Department of Commerce, NOAA Research enables better forecasts, earlier warnings for natural disasters, and a greater understanding of the Earth. Our role is to provide unbiased science to better manage the environment, nationally, and globally.

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