Unexplainable The G-word
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Jan 7, 2026 
In this enlightening discussion, Robinson Meyer, a climate journalist and founding executive editor of Heatmap News, dives into the controversial world of solar geoengineering. He explores the divide within the scientific community over its potential benefits versus the dangers it poses. Speaking on the emergence of the controversial startup Stardust, he raises concerns about secrecy and safety in geoengineering. Meyer also warns about 'termination shock' if such measures are halted abruptly, prompting deep ethical questions about who should control technology that impacts our planet.
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What Solar Geoengineering Would Do
- Solar geoengineering aims to spray particles into the stratosphere to reflect sunlight and cool Earth.
- It could reduce warming but would be a global, high-stakes experiment with unknown risks.
A Divisive Conversation In Climate Science
- Geoengineering divides scientists: some want to study it, others fear discussing it increases risks.
- Critics worry adding deliberate intervention would compound the ongoing, uncontrolled climate experiment.
Tradeoffs: Immediate Relief Versus Moral Hazard
- Proponents argue geoengineering could prevent severe heat, storms, and ecosystem collapse.
- Opponents fear moral hazard: it might reduce incentives to cut greenhouse gas emissions.