From: Dhu on Gate <campbell@neotext.ca>
Newsgroups: alt.global-warming,can.politics,alt.politics
Subject: Re: Study Reveals Researchers Knew That Emissions-Driven Greenland
Date: Fri, 3 Jan 2025 07:28:25 -0000 (UTC)
Organization: A noiseless patient Spider
On Thu, 2 Jan 2025 22:03:43 -0600, AlleyCat wrote:
>
> ... boreholes in central Greenland revealed the area was ice-free when
> atmospheric CO2 ranged from 275 to 290 ppm. Today atmospheric CO2 is as
> 420+
> ppm CO2 yet central Greenland is ice-covered.
>
> Study: https://pnas.org/doi/pdf/10.1073/pnas.2407465121
>
> Discussion:
> https://notrickszone.com/2025/01/03/central-greenland-was-recently-ice-free-and-covered-with-plants-when-co2-was-under-300-ppm/
The freezing of the Arctic ocean started about two and a half million years ago:
https://www.whoi.edu/oceanus/feature/how-the-isthmus-of-panama-put-ice-in-the-arctic/
and before that Greenland was drier and the world was a different place.
Dhu
--
Je suis Canadien. Ce n'est pas Francais ou Anglais.
C'est une esp`ece de sauvage: ne obliviscaris, vix ea nostra voco;-)
Duncan Patton a Campbell