Geoscience Reference
In-Depth Information
CO
2
concentration in the atmosphere, 1860- 2000. The
Limits to Growth
study
included an image that placed the Keeling Curve (indicated here by Keeling's
actual Mauna Loa measurements, 1958- 71) in historical and future contexts,
showing a long-term trend of exponential growth in atmospheric CO
2
. Source:
Donella H. Meadows, Dennis L. Meadows, Jørgen Randers, and William W.
Behrens III,
The Limits to Growth: A Report for the Club of Rome's Project on the
Predicament of Mankind
(New York: Universe Books, 1972), 72.
