Search

Stay Connected

NOAA Research News

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
RSS
123

OAR HEADQUARTERS

Phone: 301-713-2458
Address: 1315 East-West Highway Silver Spring, MD 20910

Stay Connected

ABOUT US

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.

CONTACT US

Can't Find What You Need?
Send Feedback
Copyright 2018 by NOAA Terms Of Use Privacy Statement
Back To Top