[Rockhounds] 'Mummified' plants give glimpse of Earth's future

[Paul]

Fossil leaves show high atmospheric carbon spurred ancient
'global greening,' Earth Institute at Columbia University, August 20, 2020
https://www.sciencedaily.com/releases/2020/08/200820102444.htm

'Mummified' plants give glimpse of Earth's future
By Justin Rowlatt, BBC News, 20 August 2020
https://www.bbc.com/news/science-environment-53842626

The paper is:

Tammo Reichgelt, William J. D'Andrea, Ailín del C. Valdivia-
McCarthy, Bethany R. S. Fox, Jennifer M. Bannister, John G.
Conran, William G. Lee, Daphne E. Lee. Elevated CO, increased
leaf-level productivity, and water-use efficiency
during the early Miocene. Climate of the Past, 2020; 16 (4):
1509 DOI: 10.5194/cp-16-1509-2020
https://cp.copernicus.org/articles/16/1509/2020/cp-16-1509-2020-discussion.html

Your,

Paul H.