Magnitude: Notes from Session 4 of TED Countdown Summit 2023

To rise to the challenge of climate change, we need big, bold, gigaton-scale solutions. Session 4 of TED Countdown Summit 2023 focused on the clean technologies that need to scale fast -- and made space for ideas on radical climate leadership, the use of art for environmental activism and the push for climate-friendly alternatives to the world's most-consumed foods.

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