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Posts by John Parsons

Just released a new analysis of "The Economics of Continued Operation of the Diablo Canyon Nuclear Power Plant, 2030-2045"
While the NRC renewed the license, the state of California still needs to approve continued operation.

ceepr.mit.edu/wp-content/u...

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True

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The share of industrial emissions covered by a carbon price increased dramatically in 2025 to 58%.

The share of industrial emissions covered by a carbon price increased dramatically in 2025 to 58%.

A 🧵on two of my all-time favorite charts.

The 1st, just published by the @iea.org in the “State of Energy Policy 2026” report shows that more than half of industrial CO2 emissions are now covered by carbon pricing. Reports linked below.

1 week ago 5 4 1 1

Because I was a consultant for 10 years I chuckle anytime someone speaks about setting up a Chinese Wall to avoid a conflict. Not the same, but hopefully you get my point.

1 week ago 0 0 0 0

Thank you

1 month ago 3 0 1 0

I dug out two spots in addition to my own. A neighbor who parked in one put their own cone there!

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I’m very impressed when the billionaire’s are disappointed with the little people trying to manage their financial security.

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Electric vehicle adoption is a key part of climate and transportation goals, and local policies can make a big
difference. One such policy is allowing EVs to use high-occupancy vehicle lanes even with a single driver. A new paper examines how these exemptions affected EV adoption

ceepr.link/4qV4veK

1 month ago 0 1 0 0
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Data Center Temporal Flexibility Policy Brief - MIT Climate Policy Center.pdf

In the NYT, our Faculty Director Christopher Knittel weighs in on data center policy — from on-site power to moratoriums.

Get it right, and we support the grid + AI growth. Get it wrong, and costs rise.

Policy brief:
buff.ly/VyIYRum

NYT: buff.ly/eoXJ9rx

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Make the audit happen,now. Stop with excuses. That was an earlier era of Democrats.

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FIFA has officially issued President Trump a yellow card. If he assassinates another world leader, it’ll become an automatic red card and he won’t be eligible for another FIFA Peace Prize for 4 years.

1 month ago 1245 173 13 5

I remember Andrew 8 8000.

2 months ago 1 0 0 0

Andrea was my neighbor in Dot and a good follow… oh, and the Mass Attorney General, too.

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Greetings from Dot. Collected my first signature for you today.
Give a thought to aiding the audit of the statehouse that Massachusettts voters supported overwhelmingly.

2 months ago 0 0 0 0

There are certainly people who are too credulous of model results. But in my opinion the more significant problem is getting modelers to speak clearly about problems as non-modelers conceive of them. Then the results go nowhere.

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It’s an organized and disciplined way of thinking and describing tradeoffs, constraints, policies and consequences. Very valuable whatever you call it.

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For a number of years, a debate has been brewing concerning the best way to report on the indirect emissions from the generation of purchased electricity. Check out a new Research Commentary by @johnparsons.bsky.social on the topic:

ceepr.link/4rs0Rtp

2 months ago 1 1 1 0

Thank you. Well explained.

2 months ago 0 0 0 0
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A decade in the making, clean energy power line for Mass. is up and running A major new transmission line that can bring renewable electricity from Quebec to Massachusetts is finally, after a whole lot of controversy and delay, starting to deliver power.

Nice to see the power start flowing.
www.wbur.org/news/2026/01...

3 months ago 4 0 0 0
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The Risky Movement to Make America Nuclear Again A Silicon Valley startup called Oklo is leading the charge to bring nuclear power back to the US with small reactors. Its backers have wealth and political connections that could undermine nuclear saf...

Important dive into the politics and VCs behind micro reactors.

www.bloomberg.com/news/feature...

5 months ago 1 0 0 0

People are right to be angry. The country is in crisis, and the country's leadership is proving terribly inept, especially Dem leadership. It's not right for that anger to be channeled as personal attacks. But as Frederick D said, when we need the rain, we should also expect some thunder.

6 months ago 2 0 0 0

Because his job is not to advance the body of the Democratic Party, but to protect Gov Healey's electoral org, and he sees the former as only a potential nuisance to the latter.

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Age is the obvious moment of contention, but it's not the root complaint. Here in MA, the State Party chair attempted to liquidate one of the few remaining remnants of a grass root org, the annual convention. Why?

6 months ago 0 0 1 0

Their failure is a black mark against them as future leaders: unable to speak up for the interest of their party or their country because they wanted to preserve the easiest path for their own electoral futures.

6 months ago 0 0 1 0

Biden's decision to run was classic tragedy. Worse yet was the fact that almost NONE of the rest of the leadership spoke out in opposition. Polls showed the American public seriously questioned Biden's age, but no elected Dem dared address the issue honestly.

6 months ago 0 0 1 0

Any sensible org or business considers the age of its leadership as it plans for its future. But the Dem establishment has devolved into a Linked-In networking op for its electeds. They don't look out for the interest of the body over the success of the individuals.

6 months ago 0 0 1 0

There should be no place for vitriol, and none for ageism either. That said, I think we can understand the seething anger produced when egotism steps in front of the interests of the country. We've seen that in spades from Dem leadership.

6 months ago 0 0 1 0

So sorry for your loss. Thank you for sharing the beautiful photo. Adorable.

8 months ago 1 0 1 0
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Yes, let’s us be serious even as they’re not. Really.

8 months ago 3 0 0 0

Why? The point is that RGGI is a distraction. States have pursued decarb by other means. Focus there.

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