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kencaldeira.com
Mostly mentoring a group of postdocs at Stanford. Senior Scientist at Gates Ventures. climate / energy / etc ClimateEnergyLab.org Posts imperfectly represent the views of my former self, and do not represent the views of my employer.
460 posts 16,357 followers 2,752 following
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If your goal was to destroy the United States, could you do it more effectively than Trump? Blocking federal scientists from participating in IPCC processes is among the most minor of maliciously destructive actions. www.cnn.com/2025/02/21/c...

submitted 1 day ago • 2 comments

Here's video of Steve Bannon doing a Sieg Heil today at CPAC. It is what it is and it's what Bannon intended. Don't let yourself be gaslit.

submitted 2 days ago • 1494 comments

‼️The US-based @ipcc.bsky.social technical support unit (TSU) for Working Group 3 Co-Chairs has been terminated, and the US won’t be attending next week’s IPCC meeting where the AR7 chapter outlines will be approved. More by @afreedma.bsky.social here:

submitted 2 days ago • 44 comments

In future generations, when your children and grandchildren look back on this moment, they are not going to ask about the price of eggs. They are going to ask you what you did. Not what you felt. Not what you paid. But what you did. And I want to be able to say I did everything I possibly could.

submitted 2 days ago • 1245 comments

I didn't realize at the time how prescient this "a lot of crazy that is about to happen" comment was.

submitted 4 days ago • 0 comments

What a disgrace. Bezos and the newspaper he has destroyed should be grateful that anyone thinks it’s still worthwhile to buy ad space from them. *This* is how democracy dies.

submitted 5 days ago • 869 comments

In the coming weeks, a lot of slow-on-the uptake folks are going to begin belatedly realizing Trump is both an inept moron and a dangerous autocrat. Our great civic challenge in these trying times will be calmly welcoming them aboard instead of primal-screaming in their faces.

submitted 17 days ago • 415 comments

We need to be more willing to talk more openly about the impending dictatorship of malicious fools.

submitted 5 days ago • 1 comment

I just found out that my first book 📗, LAB GIRL 🌱🌿🌳, was challenged by a parent and subsequently removed from the shelves of the library at Walworth High School in Elkhorn, Wisconsin. So I decided to write a 🧵 on book 📚 #censorship 🚫 in American 🇺🇸 schools 🚸 1/n

submitted 6 days ago • 31 comments

Opinion Corporate Media Failing to Call This What It Is: A Coup If this is not a coup d’etat, I don’t know what is. It is not "taking sides" to say so. Rather, it is accurately describing the dire emergency America now faces. Robert Reich Feb 14, 2025 www.commondreams.org/opinion/corp...

submitted 8 days ago • 2 comments

It was super-fun to work with Alissa Ganter on this paper. Substantial amounts of potential wind and solar generation is being curtailed in Europe. This generation capacity could potentially be used to make hydrogen, substituting for hydrogen now made with fossil gas. pubs.acs.org/doi/full/10....

submitted 8 days ago • 3 comments

Detail of 1569 world map by Gerardus Mercator showing the Gulf of Mexico. The rapidity with which over 450 years of historical tradition is abandoned is both disturbing and astounding. en.m.wikipedia.org/wiki/Mercato...

submitted 10 days ago • 6 comments

Unless Ralph Keeling's team gets some funding, you won't be able to see this record for much longer. The continuation of the iconic Keeling curve is under threat.

submitted 12 days ago • 2 comments

Can anyone recommend a map service that doesn't suck up to tyrants?

submitted 12 days ago • 20 comments

"Every time you say something negative about somebody or something, you turn a potential ally into a potential enemy." I was taught there are basically two appropriate responses to what someone says: 1. Praise, or 2. Ask questions. It is time to move beyond asking questions. We need some answers.

submitted 12 days ago • 0 comments

Last night I found out that the NSF math postdoctoral fellowship I applied for is being deleted because it does not comply with Trump’s executive orders on DEI in the federal government. I’m going to answer some FAQs and share some thoughts about this ordeal in this thread 1/n

submitted 14 days ago • 51 comments

www.forbes.com/sites/sarado...

submitted 14 days ago • 1 comment

Call your representatives. arstechnica.com/science/2025...

submitted 15 days ago • 1 comment

Is climate change accelerating? Maybe, maybe not. Time will tell. In the meantime, let's reduce greenhouse gas emissions. www.salon.com/2025/02/06/a... iopscience.iop.org/article/10.1...

submitted 16 days ago • 7 comments