The laboratory from where carbon dioxide measurements have been taken since 1958 A.D., which form the basis of present global warming data base is :
Maragheh observatory
Mauna Loa observatory
Griffith observatory
Sydney observatory
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This question was previously asked in
UPSC CAPF – 2009
The Keeling Curve, named after Charles David Keeling, shows the steady increase in atmospheric CO2 concentration since the late 1950s, along with seasonal fluctuations. This is one of the most important pieces of evidence for anthropogenic climate change.