In this episode of UpFront, Marc Lamont Hill speaks with climate activist Greta Thunberg about her awareness campaigns, why so few are treating climate change as an emergency and whether it is time for disruptive direct action.

And in the Arena, we find out why US-based conspiracy theory QAnon is gaining followers overseas, with Melanie Smith, the head of analysis at Graphika, and Miro Dittrich, who monitors online right-wing populism in Germany.



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