Matthew Henry

YouTube video by SRM360 Live Discussion: How Might Solar Geoengineering Affect Global Security?

Discussion (24 Feb 2025) on the geopolitical and #security risks of climate change and solar #geoengineering #SRM

youtu.be/FeVWK48Y0e0?...

Not saying I like the lib dems, but as someone who lives somewhere with a serious tipping/littering issue, I'd vote for that policy...

Things should clear up for the morning commute once silicate weathering has been shut down for long enough that slowly accumulating volcanic CO2 catastrophically deglaciates the entire planet

Ice, ice, maybe: should the Arctic be refrozen? Also on the daily podcast: the staggering boom in India’s gig economy and the first social network for AI agents

On “The Intelligence” Oliver Morton and Catherine Brahic discuss a wild idea that is attracting ever more attention: using geoengineering to refreeze the Arctic. Listen now

I've even made my own version of the iconic Joy Division-style daily anomaly plot thats updated with 2026 data (to-date): dashboard.theclimate...

I've seen several Big Climate Accounts™ post about how the recent winter storm was made worse by climate change. It's a convenient narrative.

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But what is "worse"? Colder temperatures? More snow? More freezing rain? Is there any primary literature supporting the idea of worse snowstorms?

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A reminder that this is on at 3pm UTC today, DM for the zoom link if you don't have it.

Great article, and thank you for highlighting the Arctic MCB work!

D & A style attribution with fair and HadCRUT5 updated to 2025 (emissions extrapolated beyond 2022, but should make little difference)

[code: github.com/chrisroadmap...

Radiative forcing geoengineering under high CO2 levels leads to higher risk of Arctic wildfires and permafrost thaw than a targeted mitigation scenario - Communications Earth & Environment Stratospheric aerosol injection, marine cloud brightening, and cirrus thinning are less effective in cooling the Arctic than the globe and may lead to increased risk of wildfires and permafrost thawin...

The title has been corrected. www.nature.com/articles/s43...

"touché par des tirs" is the new "assassiné"

Help us make hope normal again.

Join the Green Party now.

A time series of the January–February frequency (in days) of the AKR regime from 1979 to 2025 using ERA5 data, based on the year-round classification of Lee et al. 2023 (J. Climate) updated through 2025.

The extreme cold across eastern N America is due to the Alaskan Ridge regime, which on average brings the coldest winter weather to this region.

Is this happening more often?

No. During the modern warming era, there has been no observed trend in the occurrence of this regime at this time of year.

On the balance of probabilities those warning of disaster look much more likely to be right than those complacently arguing there is nothing to worry about. Even the spooks are worried, and they are right to be.

Suppressed climate report warned of mass migration and nuclear war Unabridged document said disappearing forests and rivers drying up could drive people to Europe and lead to conflict in Asia

Back in the Autumn, No.10 blocked the publication of a report into the risks the UK could face if climate change causes ecosystems around the world to collapse. On Tuesday, after an FOI request, it published the report. But it turns out, that wasn't the full version. www.thetimes.com/uk/environme...

This is my top pet-peeve!

Frodo: I wish so much unbelievably stupid shit had not happened in my time Gandalf: So do all who live to see such times. This is all exceptionally stupid, though

Some exciting books coming out this year (brief thread):
The brilliant @jomarchant.bsky.social looks at the science of now and the nature of reality: In Search of Now

Deadline coming up for EGU2026 abstracts!
www.egu26.eu/session/56947

Deadline coming up for EGU2026 abstracts!
www.egu26.eu/session/56947

A short thread about the back story behind our new study. 🌊
A pile of evidence suggests the Atlantic overturning #AMOC (and its surface branch North Atlantic Current) has slowed. But some colleagues were sceptical, arguing the Norwegian Current and its deep return flow haven't slowed. 1/6

China has now reacted to the news that the Trump White House wants to pull the US out of a range of UN orgs and entities, such as the UNFCCC and IPCC:

"No matter how the situation may evolve, China will stay committed to multilateralism"

www.fmprc.gov.cn/eng/xw/fyrbt...

If geoengineering is ever deployed in a climate emergency, transparency is key | Ines Camilloni If geoengineering is ever deployed in a climate emergency, transparency is key | Ines Camilloni: We must not let geoengineering be shaped behind closed doors. Climate justice demands an inclusive approach As the world faces the challenges of the climate crisis and critical threshold level...

If geoengineering is ever deployed in a climate emergency, transparency is key | Ines Camilloni: We must not let geoengineering be shaped behind closed doors. Climate justice demands an inclusive approach As the world faces the challenges of the climate crisis and critical threshold level...

We can safely experiment on reflecting sunlight away from Earth. Here’s how | Dakota Gruener and Daniele Visioni Reflecting a small fraction of incoming sunlight to reduce global heating is not a new idea. It is time to safely experiment

We can safely experiment with reflecting sunlight away from Earth. Here’s how, write @dakotagruener.bsky.social and @danvisioni.bsky.social

- The real danger isn’t asking the question. It’s waiting too long to learn the answer

#geoengineering #climatecrisis
www.theguardian.com/commentisfre...

Stranger Things The 1980s Nostalgia of Trump's Foreign Policy is probably going to end up, like Stranger Things, as a horror show.

Trump is probably focused on the money he wrongly thinks he'll make from Venezuelan oil. But he's not a details guy and nobody has thought through the details. Essentially, the US has taken over Venezuela by mistake. Stranger things have happened, but not many.
open.substack.com/pub/arthursn...

A picture is worth 1000 words...

This appeared on the BBC News today, showing the increase in solar electric generation in the UK.

Not sure who produced it, but genuinely think this is a genius piece of scientific communication - the construct and choice of colour scale is near-perfect.

Chapeau!

I think it switches sides because it's showing a trend: the cooling from aerosols increases until ~2000 (negative warming trend) then the cooling from aerosols decreases because of clean air regulations (positive warming trend).

A very fun read!

2025 has been a historic year for clean energy in UK, with renewable project approvals reaching a record-high 45 GW — nearly double of 2024.

This surge was driven by an exceptional rise in battery storage capacity, which almost doubled to 28.6 GW, alongside strong growth in offshore wind & solar.

Christophe Cassou, scientifique engagé Le climatologue Christophe Cassou a été l'auteur du 6e et 7e rapport du GIEC. Il alerte sur le décalage entre les faits scientifiques et les croyances et sur le fait qu'on ne peut pas systématiquement...

Conversation intime&douce au lendemain de Noël mais qui cache mes inquiétudes&questionnements sur les stratégies à adopter face aux attaques contre la science, a la manipulation des faits, au récit démobilisateur sur les enjeux env.

🙏 @franceinter.fr pour l'invit.
www.radiofrance.fr/franceinter/...