


Air sampling from remote locations help researchers gain a global picture of green house gases and the carbon cycle. Volunteers around the world are indispensable for data collection.
Learn more about the Carbon Cycle group:
http://www.esrl.noaa.gov/gmd/ccgg/
Learn more about the Carbon Cycle group:
http://www.esrl.noaa.gov/gmd/ccgg/
Please credit Rebecca R Jackrel | www.RebeccaJackrel.com