Once more: McPherson’s methane catastrophe

For better or worse, I want to briefly  return to Guy McPherson’s claims of human extinction within 20 years via a climate catastrophe. Guy is aware of my criticism of his argument, but has declined to consider the problems I pointed out (instead choosing to accuse me of being paid to disagree with him, which would … Continue reading

General Climate Discussion (1)

Due to the incredible (and continuing) response in the comments on my post about Guy McPherson, I’m creating a fresh thread for general discussions or questions about climate here. Any comments specific to the Guy McPherson post can continue there.

Understanding strike and dip on geologic maps

Understanding strike and dip on geologic maps

In order to understand geology, we need to think about the rocks below our feet in three dimensions. Those spatial relationships— what’s on top of what, how rocks are faulted or folded— give us all kinds of interesting information. While maps are useful in all kinds of ways, they’re a little lacking in the 3-D … Continue reading

How Guy McPherson gets it wrong

Recently, a few Ars Technica commenters have been posting references to the work of Guy McPherson on climate articles. McPherson is a retired professor of ecology at the University of Arizona, and he runs a blog called Nature Bats Last. In recent years, he has turned his energies to dire warnings of impending climate catastrophe. Those warnings go … Continue reading