Karl Mathiesen

Investigative environmental journalist at Politico who reported on Stardust and venture-backed solar geoengineering advances, providing reporting and analysis on climate technologies.

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Dec 4, 2025 • 48min

Jacinda Ardern and… Is It Time to Talk About Geoengineering?

Former New Zealand Prime Minister Jacinda Ardern shares her insights on empathetic leadership and the urgent need for climate action, labeling climate change as New Zealand's 'nuclear-free moment.' Investigative journalist Karl Mathiesen discusses the controversial advancements in solar geoengineering through Stardust, exploring its potential and the significant risks involved. The conversation touches on the precarious balance between technological progress and the slow pace of political response, highlighting the pressing demand for integrity-driven leadership in climate policy.

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