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dalton99a

(90,427 posts)
3. Kick
Sat Jul 30, 2022, 09:41 AM
Jul 2022
We could begin in the 1820s when Joseph Fourier first suggested that gases in the atmosphere trap some of the sun's heat like glass in a greenhouse (hence the "greenhouse effect" ). We could also begin in the 1860s with John Tyndall measuring the capacity of water vapor and CO2 to trap infrared light (the ground under your feet emits long wavelength infrared radiation after it is warmed by the incoming sunlight which arrives mostly at shorter wavelengths). It was Tyndall who came up with the potent metaphor of greenhouse gases as a "blanket" covering the Earth.

So through Fourier and Tyndall we could trace the basic elements of the greenhouse effect back almost 200 years. Hardly the stuff of a modern conspiracy. But neither of these researchers suggested that human beings were doing anything to alter the chemistry of the atmosphere. Surely that is a recent invention of the environmentalist age.

The first calculation of the greenhouse effect to include human-driven release of greenhouse gases came about 100 years ago. Using estimates of coal burning, Swedish chemist Svante Arrhenius built on other calculations he'd made and estimated that doubling the CO2 content of the planet's atmosphere would raise it's temperature by 2.5 to 4.0 degrees Celsius.

That is where it all begins.

But surely Arrhenius' calculation was too simple. Think of all the details he missed. What about the influence of the vast oceans that are constantly soaking up CO2? That must make a huge difference. It might, but that question was answered more than 60 years ago.

...

https://www.npr.org/sections/13.7/2014/05/13/312128173/the-forgotten-history-of-climate-change-science

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