Video of my talk about "Atmospheric Carbon Dioxide Removal: A Physical Science Perspective" is up: youtu.be/OMN1B76MPpk?...

Quanta Magazine put a lot of effort into creating "How We Came To Know Earth": https://www.quantamagazine.org/how-we-came-to-know-earth-20250915/

Hiked 450 miles of the #pacificcresttrail thru the state of Washington last month. This tread will have some photos in chronological order. First up: Bridge of the Gods across the Columbia River.

The video recording of my public lecture in Aspen is now up: "Can Physics Stop Climate Change?" https://www.youtube.com/watch?v=8zkDelyDcUo

"On Physics: Removing atmospheric CO2 to stop climate change: Can it be done?" www.aspendailynews.com/opinion/on-p...

Huge turnout in Santa Barbara with lots of young people.

Feynman is watching from above.

We are not fooled! Trump is blatantly ignoring the SCOTUS order for him to facilitate the return of Kilmar Abrego Garcia by orchestrating Bukele's unacceptable response. The deranged fascist is also calling for American citizens to be deported to El Salvador prisons. www.reuters.com/world/americ...

Eureka, California #HandsOff protest.

Michael Roth, President of Wesleyan University: “that’s the classic collaborationist dilemma, right? ... you collaborate with authoritarians who you know are in the wrong, in order to keep them from doing worse stuff” “Like I have a restaurant and if I collaborate with the Nazis and don’t let […]

When someone writes the definitive book about DOGE & Musk’s foray into politics, it absolutely has to be titled “Rapid Unscheduled Disassembly.”

PRX Energy editorial about our new report on "Atmospheric Carbon Dioxide Removal: A Physical Science Perspective." journals.aps.org/prxenergy/ab...