Climate activists Greta Thunberg, center, Vanessa Nakate, center right, Isabelle Axelsson, bottom third left, and Luisa Neubauer, center left, hold placards while taking part in a demonstration on the closing day of the World Economic Forum in Davos, Switzerland, on Jan. 24, 2020.

Climate activists Greta Thunberg, center, Vanessa Nakate, center right, Isabelle Axelsson, bottom third left, and Luisa Neubauer, center left, hold placards while taking part in a demonstration on the closing day of the World Economic Forum in Davos, Switzerland, on Jan. 24, 2020.

 Photographer: Simon Dawson/Bloomberg

COP28

Greta Thunberg’s Climate Cohort Is Growing Up

A generation of teen climate activists are now navigating young adulthood — and a movement that thrives on the power of youth. 

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Until recently, Xiye Bastida kicked off every talk she appeared at by telling the audience her age. A New York-based climate activist who started working in the space at 15, Bastida has participated in protests and debated green policies with seasoned professionals. Sometimes a single entreaty from her could be enough to push a roomful of adults toward compromise.