Historical temperature time series and series of atmospheric carbon dioxide measurements show clearly how climate has changed over the past 100 years. (en.ilmatieteenlaitos.fi)
A small amount is also sent to a Swiss lab that does carbon dioxide measurements to ensure that measurements taken in different labs made on different - age ice from different locations are consistent. (psmag.com)
«When I arrived there, I was quite surprised to discover that people in the research lab were very aware of the increase in the growth rate of carbon dioxide measurements in Hawaii [at the Mauna Loa observatory],» Morrel H. Cohen, a senior scientist at Exxon Research from 1981 to 1996, said in a recent interview. (insideclimatenews.org)