The World Economic Forum wrapped up in Davos, Switzerland, on January 24, but let's rewind for a moment. Last year, the billionaires and world leaders converging at the winter resort didn't really notice the presence of a teenager camped outside the venue with a placard calling for more climate action. Mention the name "Greta Thunberg" to anyone this time around, and it's a different story. Thunberg was at the center of this year's meeting.
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