Why Are We Here?

The short video embedded below will not Premiere on YouTube. We are visiting friends and attending to personal matters in Boston, Massachusetts, USA. Draft script is available to subscribers at the Nature Bats Last Substack account.

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.”