News Article “Aircraft Condensation Trails Criss-Crossing The Sky May Be Warming The Planet On A Normal Day More Than The Carbon Dioxide Emitted By All Planes Since The Wright Brothers’ First Flight In 1903, A Study Said On Tuesday”

There is a news article on March 29 2011 from Rueters titled

Aircraft condensation trails criss-crossing the sky may be warming the planet on a normal day more than the carbon dioxide emitted by all planes since the Wright Brothers’ first flight in 1903, a study said on Tuesday.

The text begins with [highlight added]

Aircraft condensation trails criss-crossing the sky may be warming the planet on a normal day more than the carbon dioxide emitted by all planes since the Wright Brothers’ first flight in 1903, a study said on Tuesday.”

Another excerpt reads

“The study, by experts at the DLR German Aerospace Center, estimated that the net warming effect for the Earth of contrails and related cirrus clouds at any one time was 31 milliwatts per square meter, more than the warming effect of accumulated CO2 from aviation of 28 milliwatts.”

If correct, this is a remarkable finding with respect to contrails as a climate forcing. It also shows that as we study the climate system, we find it is affected by a wider diversity of human climate forcings than concluded by the IPCC. The human effect on the climate system is not dominated by CO2 and a few other greenhouse gases.

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Filed under Climate Change Forcings & Feedbacks, Climate Science Reporting

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