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Herb Simmens at London climate Week presents,”The Climate Triad: Restoring a Safe and Healthy Climate” in this powerful talk recorded at the Foundling Museum, London, on Monday, June 23, 2025, during London Climate Action Week 2025. As co-leader of Montgomery County’s historic 2017 climate emergency declaration—the first in the U.S.—and author of A Climate Vocabulary of the Future (praised by Kim Stanley Robinson as “a science poem, an inspiration, and a prophecy”), Herb shares actionable strategies for a sustainable future. Co-founder of the Healthy Planet Action Coalition and co-host of the Climate Emergency Forum with Paul Beck and Peter Carter, Herb delivers critical insights for addressing the climate crisis.

Healthy Planet Action Coalition

An international group of climate scientists, engineers, entrepreneurs, and policy and advocacy experts

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