Beyond CO2: The Immortals

“Niall Shephard” continues to explore deep time with Professor Emeritus Guy R. McPherson. In this episode, we continue our discussion of greenhouse gases beyond carbon dioxide. Specifically, we discuss greenhouse gases that persist for a very long time.

The video embedded below, along with the draft script and supporting links, can be freely viewed on the Nature Bats Last Substack account. Comments are enabled on Substack with a paid subscription.

Latest Peer-Reviewed Journal Article:

Guy R. McPherson, Beril Kallfelz-Sirmacek, James Massa, William Kallfelz, and Ricardo Vinuesa, June 2023, Results in Engineering: “Environmental thresholds for mass-extinction events.”