The climate pact achieved at COP26 was woefully inadequate. We could be in for over four degrees Fahrenheit of warming this century over pre-industrial temperatures, and some scenarios would put us closer to eight degrees. In this episode, Paul Sutton shares his observations from Glasgow, and we get assessments from a few other noted experts.

“Once a species becomes powerful enough to take over a planet, then is it also intelligent enough to understand the limits to its own power?” This is a question posed in the new book, Power: Limits and Prospects for Human Survival.

Are Jeff Bezos, Richard Branson and Elon Musk doing civilization a favor and advancing science? Are they preparing to colonize space like the Borg in Star Trek: The Next Generation? Or are they seeking status and boosting their egos – AND their carbon footprints – with expensive toys?

What do the Green New Deal, Santa Claus and the tooth fairy have in common? Find out as we talk with the founder of The REAL New Green Deal Project.

Is flying always the worst travel choice for climate stability? Is traveling by rail always the best? You might be surprised.