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srid  1mo ago (cafeamericainmag.com)   Edited 1mo ago   3172 thread views

The Vacuity of Climate Science

cafeamericainmag.com

There has been a lot of CW discussion on climate change. This is an article written by someone that used to strongly believe in anthropogenic global warming and then looked at all the evidence before arriving at a different conclusion. The articles goes through what they did.

I thought a top-level submission would be more interesting as climate change is such a hot button topic and it would be good to have a top-level spot to discuss it for now. I have informed the author of this submission; they said they will drop by and engage with the comments here!

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I can't comment on most of this, except the following:

This makes it all the more peculiar that nobody has been able to experimentally demonstrate and therefore verify the greenhouse effect.

Wouldn't the existence of Venus be pretty definitive proof that such a thing is possible?

This makes it all the more peculiar that nobody has been able to experimentally demonstrate and therefore verify the greenhouse effect.

Experimentally proving the greenhouse effect is a common science class task for sixth graders. The author of this could probably do it with materials that exist in his house. This is a rather extreme self-imposed ignorance.

The ignorance is coming from this reply not from the author of the article. It is salient that you didn’t actually provide a link, source, or explanation of how the GHE can thus be verified. It also doesn’t address why the referenced 2021 peer reviewed paper said a lab verification was lacking — because the typical demonstrations (involving gas in glass jars or plastic bags) don’t demonstrate the GHE. Their results are an effect of gas densities affecting convective heat loss, not radiative effects. They work equally well with Argon.

They work equally well with Argon.

Is it based on experiment or a guess?

On experiments:

  1. "Benchtop Global-Warming Demonstrations Do Not Exemplify the Atmospheric Greenhouse Effect, but Alternatives Are Available", https://pubs.acs.org/doi/10.1021/acs.jchemed.8b01057

    _

    (It must be noted the "alternatives" provided are analogues, not demonstrations of the GHE.)

  2. "Climate change in a shoebox: Right result, wrong physics", https://www.researchgate.net/publication/243492513_Climate_change_in_a_shoebox_Right_result_wrong_physics .

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