Chapter 9
9.56
4.
1958–The Keeling Curve:
Continuous measurements
of atmospheric CO
2
at the Mauna Loa Observatory in
Hawaii begin, resulting in the Keeling Curve, which
shows rising CO
2
levels.
5.
Revelle’s Ocean Absorption Theory:
Roger Randall
Dougan Revelle suggests that oceans absorb CO
2
slower than expected, exacerbating the greenhouse
effect.
6.
1972–Stockholm Conference:
The UN Conference
on Human Environment, focusing on global environ-
mental issues, is held.
7.
1975–Coining of ‘Global Warming’:
Wallace S.
Broecker is the first to use the term ‘global warming.’
8.
1979–First World Climate Conference: ...
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