Sophie-Sandberg

One Young World Ambassador talks back with Chalk

Published January 2026

She Was 15 the First Time She Was Catcalled. Now She Is Fighting Back- in Chalk.

One Young World Ambassador Sophie Sandberg founded CatCalls of NYC at 19 after years of street harassment left her feeling isolated and unheard. A decade on, her global movement Chalk Back mobilises over 1,000 activists worldwide, turning the words of harassers into powerful, public acts of resistance.

At the One Young World Summit in Munich, she spoke to The New World.

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