Gernot Wagner
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gwagner.com
Gernot Wagner
@gwagner.com
Climate economist, Columbia
https://gwagner.com
It’s pronounced juggernaut without the jug.
🔥
November 10, 2025 at 9:55 PM
That race will continue for the rest of most of our lifetimes.

And yeah, that heat pump CoP hovering around 3 or 4 without even trying is a key part of the story.

The fact that some now achieve CoPs > 7 is…wow.

bsky.app/profile/volt...
Holy shit. This company claims it has developed an air-source heat pump with a COP of *7* (3-5 is considered good). For you non-nerds, that basically means it produces 7 units of heat for every unit of electricity it consumes. How are they doing it? You're not gonna like this answer, but: it's AI.
Fairland COP7 R290 ATW HeatPump - The Future of AI HeatPump
/PRNewswire/ -- As gentle heat wraps around you, you walk barefoot to bathroom and enjoy an instant hot shower—no waiting, no cold shock. Every corner indoors...
www.prnewswire.co.uk
November 10, 2025 at 12:25 PM
Climate change is getting worse a lot faster than most realize.

Climate tech is getting better a lot faster than most appreciate.¹

¹ gwagner.com/scenarios
November 10, 2025 at 12:22 PM
The purpose is to raise the marginal private cost to be closer to the marginal social cost of each tonne of CO₂ emitted. Econ 101.
November 9, 2025 at 10:00 PM
...nach Wien :)
November 9, 2025 at 9:20 PM
This you?

Yellin' about a smallish carbon fee?
bsky.app/profile/smok...
Maybe the proceeds could be used for direct air capture or something... the fact is ppl need to fly
November 9, 2025 at 8:57 PM
None of this is banning flights for anyone.

But let's not pretend it's OK to do so while using the atmosphere as a free sewer.
November 9, 2025 at 8:54 PM
[insert "why not both?" gif here]
November 9, 2025 at 8:17 PM
Can confirm: technology and design have both improved in past 25 years.

Though we did end up with 2 gadgets instead of 1, to achieve the same thing: @npr.org + alarm.
November 9, 2025 at 8:17 PM
All technically linked to EU ETS, so 1 EUA for each tonne of CO₂ emitted.

About as rational as these things get.
November 9, 2025 at 8:02 PM
Ok, fine. I wasn't quite.
November 8, 2025 at 11:58 PM