JRE 1776 · June 27, 2024

Steven E. Koonin

scienceenvironmentpoliticstechnology

Who is Steven E. Koonin?

Steven E. Koonin is a theoretical physicist, professor, former Chief Scientist for the BP petroleum company, and former Under Secretary for Science at the U.S. Department of Energy under the Obama administration. He's also the author of "Unsettled: What Climate Science Tells Us, What It Doesn't, and Why It Matters."

Topics and Timestamps

01Steven Koonin breaks down what climate science actually knows versus what it doesn't, challenging the certainty of mainstream narratives
02Discussion of how climate models have consistently overestimated warming trends and the importance of empirical data over predictions
03Exploration of the difference between natural climate variability and human-caused climate change, and why the distinction matters
04Koonin explains his concerns about how climate science is communicated to the public and policymakers with unwarranted certainty
05Analysis of renewable energy challenges, grid reliability, and the practical difficulties of transitioning away from fossil fuels
06Examination of how scientific consensus can sometimes suppress legitimate debate and alternative interpretations of climate data
▶Koonin explains the gap between climate model predictions and actual observed warming0:15:30
▶Discussion of natural climate variability and separating it from human-caused change0:32:15
▶Breakdown of renewable energy challenges and grid reliability issues0:48:45
▶Koonin addresses how climate science consensus can suppress legitimate scientific debate1:05:20
▶Conversation about communicating scientific uncertainty to the public versus overstating confidence1:22:00

The Show

Joe brings on Steven Koonin, a theoretical physicist with serious credentials including work at BP and as Under Secretary for Science under Obama, to discuss the messier reality of climate science. Koonin's book Unsettled challenges the idea that climate science has everything figured out, and this conversation gets into the weeds on what we actually know versus what we think we know.

The core argument throughout is that climate science has real uncertainty built into it, but that nuance gets stripped away in public communication. Models have consistently run hot, predicting more warming than what's actually occurred, yet this gets glossed over. Koonin is careful to say he's not denying human influence on climate, but rather pushing back on the certainty with which scientists and media present conclusions that are genuinely uncertain.

They dig into natural variability in climate systems, how the Earth's temperature has fluctuated for millions of years before humans showed up, and how hard it is to separate that background noise from human-caused signal. The conversation touches on why this distinction matters for policy making, since if natural variability is larger than we thought, our ability to engineer specific climate outcomes becomes much more limited.

Koonin also addresses the renewable energy transition realistically. He's not against renewables, but he walks through the actual physics and engineering problems of scaling them up, storing energy, and maintaining grid stability. These are hard problems that don't have simple solutions, and pretending they do is dishonest.

What makes this episode valuable isn't that Koonin is a climate denier or contrarian in bad faith. It's that he's a legitimate scientist pushing back on the way science is being communicated, arguing for intellectual humility and honest debate rather than appeals to authority and consensus.

Best Quotes

“The models have been running too hot. If you look at the discrepancy between what the models predicted and what we observe, it's been systematic”

— Steven E. Koonin