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Greta Thunberg on three years of climate protests, Biden administration failures


It's been three years since Greta Thunberg first sat alone outside the Swedish Parliament to call for action on climate change. Now the young activist has become a global voice, continuing to hold world leaders to account on global warming. Six months after President Biden took office, is he doing enough? “This administration is not ready to act as seriously as we need, unfortunately,” Greta Thunberg tells NBC’s Mehdi Hasan.