'(<a href="http://www.j-archive.com/media/2008-07-24_J_26.jpg" target="_blank">Sarah of the Clue Crew reports from a beach UC San Diego's Scripps Institution of Oceanography.</a>)  In 1958, Scripps scientist Charles Keeling began using <a href="http://www.j-archive.com/media/2008-07-24_J_26a.jpg" target="_blank">flasks</a> to measure this gas in the atmosphere; the "<a href="http://www.j-archive.com/media/2008-07-24_J_26b.jpg" target="_blank">Keeling curve</a>" is a symbol of climate change'
carbon dioxide
SCRIPPS INSTITUTION OF OCEANOGRAPHY: In 1958, Scripps scientist Charles Keeling began using flasks to measure this gas in the atmosphere; the Keeling curve is a symbol of climate change
In 1958, Scripps scientist Charles Keeling began using flasks to measure this gas in the atmosphere; the "Keeling curve" is a symbol of climate change
In 1958, Scripps scientist Charles Keeling began using flasks to measure this gas in the atmosphere; the "Keeling curve" is a symbol of climate change
SCRIPPS INSTITUTION OF OCEANOGRAPHY
carbon dioxide
SCRIPPS INSTITUTION OF OCEANOGRAPHY