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Kitchen Table Kibitzing: Geoengineering with Space Mirrors & Underwater Curtains? [1]

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Date: 2025-06-26

Mirrors in space and underwater curtains: can technology buy us enough time to save the Arctic ice caps?

Forty years on, Moore’s research network, the University of the Arctic, has identified 61 potential interventions to slow, stop and reverse the effects of the changing climate in the region. These concepts are constantly being updated and some will be assessed at a conference in Cambridge this week, where scientists and engineers will meet to consider if radical, technological solutions can buy time and stem the loss of polar ice caps “We want to get them down to maybe 10 [ideas] that it’s possible to proceed with. No one is talking about deployment yet,” Moore says, insisting that research is about “excluding the non-starters, the hopeless ideas”. “But we may have ideas that work if we start them now; if we don’t do something for 30 years, it could be too late.” -snip- From sunlight reflection methods (SRM) by brightening Arctic clouds, stabilising ice sheets with huge underwater curtains to stop warm water melting glaciers, and even building vast mirrors in space, ideas that were once closer to science fiction have become increasingly mainstream.

The emotional toll of climate change is broad-ranging, especially for young people

NEW YORK (AP) — Anxiety, grief, anger, fear, helplessness. The emotional toll of climate change is broad-ranging, especially for young people. Many worry about what the future holds, and a daily grind of climate anxiety and distress can lead to sleeplessness, an inability to focus and worse. Some young people wonder whether it’s moral to bring children into the world. Many people grieve for the natural world. Activists, climate psychologists and others in the fight against climate change have a range of ways to build resilience and help manage emotions.

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A fascinating interview as part of The Guardian’s Tipping Points climate crisis series. ‘This is a fight for life’: climate expert on tipping points, doomerism and using wealth as a shield features Dr. Genevieve Guenther “an American climate communications specialist, is the founding director of End Climate Silence, which studies the representation of global heating in the media and public discourse. Last year, she published The Language of Climate Politics: Fossil Fuel Propaganda and How to Fight It, which was described by Bill McKibben as “a gift to the world”. In the run-up to the Global Tipping Points conference in July, ”

“This is a fight for life. And like all fights, you need a tremendous amount of bravery to take it on.” Dr. Genevieve Guenther

Some economists suggest wealth can provide almost unlimited protection from catastrophe because it is better to be in a steel and concrete building in a storm than it is to be in a wooden shack. How true is that?

There’s no evidence that these protections are unlimited, though there are economists who suggest we can always substitute technologies or human-made products for ecosystems or even other planets like Mars for Earth itself. This goes back to an economic growth theorist named Robert Solow, who claims technological innovation can increase human productivity indefinitely. He stressed that it was just a theory, but the economists advising Ronald Reagan and Margaret Thatcher in the 1980s took this as gospel and argued it was possible to ignore environmental externalities – the costs of our economic system, including our greenhouse gas pollution – because you could protect yourself as long as you kept increasing your wealth

Climate Change Deniers Are Switching Tactics

Climate misinformation has shifted focus, moving away from denying that climate change is happening, and instead working to cast doubt on proposed solutions. An analysis of thousands of academic papers on climate misinformation published over the last 10 years by the International Panel on the Information Environment has revealed that complete denialism is on the wane. However, it showed, misinformation is rife when it comes to the effectiveness, costs or fairness of mitigation measures. Fossil fuel companies, along with associated political groups and think tanks, are carrying out sophisticated campaigns that sow doubt about climate solutions, the research found.

x Today's Climate Shift Index (CSI) is highlighting just how much climate change has made today's heat wave more likely to occur, especially for the warm nighttime temperatures. Follow along with real-time and forecast CSI global maps from @climatecentral.org at csi.climatecentral.org/climate-shif...



[image or embed] — Zack Labe (@zacklabe.com) June 23, 2025 at 10:09 AM

x "Heat waves are getting more dangerous with climate change — and we may still be underestimating them" | Nice piece by @afreedma.bsky.social for @cnn.com that references our recent @pnas.org article: edition.cnn.com/2025/06/23/c...



[image or embed] — Michael E. Mann (@michaelemann.bsky.social) June 23, 2025 at 10:18 AM

x An intense and nearly historic weather pattern is cooking much of America in a dangerous heat dome this week with triple-digit heat that hasn't been seen in some places in more than a decade.



[image or embed] — The Associated Press (@apnews.com) June 23, 2025 at 8:00 PM

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