In his letter from May 23, Bill Brandt questions an important conclusion of climate science, namely that carbon dioxide (CO2) warms the Earth.
The argument he presents is wrong. Although it is true that surface temperatures have warmed less during the past 15 years than before, it also is true that the ocean has absorbed more and more heat during that time (http://tinyurl.com/dbjrlr).
Because of the ocean’s large heat capacity, it absorbs about 90 percent of the heat from human-made global warming. Once that heat comes back out of the ocean, we will have more rapid warming than before.
Current forecasts predict an El Nino for next year.
This may already initiate a period of accelerated warming.
Andreas Schmittner, Associate Professor
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OSU College of Earth, Ocean and Atmospheric Sciences