Greta Thunberg challenges world leaders on climate change

Al Jazeera

Greta Thunberg challenges world leaders on climate change

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Young, renowned activist slams what she says is inaction of world leaders amid World Economic Forum in Davos. Activist Greta Thunberg has slammed what she says is the inaction of world leaders on climate change . Al Jazeeras Jonah Hull reports from the World Economic Forum in Davos, Switzerland.