Most reasonable people

Reintroduce Potholer, with his newist (April) video about Climate Topics -- especially the Arctic.

Make it seems as if class has been paying attention to the Jetstream and the Polar vortices and the work of Paul Beckwith.

Mention that folks will have done their own homework on the CO2 premise that began to break out in Science at the time of Tyndall ...

And then cue up to the part of the video where Potholer 'integrates' concepts to help understanding.

Wheat and chaff.

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potholer54
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155 videos
Published on Apr 9, 2019 • 1 week ago

https://www.youtube.com/watch?time_continue=1294&v=ugwqXKHLrGk

Dissent This
SOURCES ARE BELOW

First, some CORRECTIONS:

1) Jerry Taylor did leave the Cato Institute, and set up his own think-tank called the Niskanen Center. It also reflects Libertarian views.

2) Some reputable researchers have found that if the reduction in forcing due to CFCs (a greenhouse gas that was banned under the Montreal Protocol) is included, Hansen's Scenario B temperature projection is even more accurate, and likely a bigger cause for him being slightly off actual temperature rise than the higher estimate he gave for the Earth's sensitivity. So even leaving Hansen's estimate for sensitivity as it is, a perfect reproduction of actual temperatures may be given given by including actual reduction of CFC emissions. My thanks to subscribers who pointed this out. Gavin Schmidt has written about this on RealClimate, and Zeke Hausfather is working on a paper showing it.
    Whatever the reason for the difference, it doesn't change the fact that Hansen's temperature projection was almost spot on.