Why are US senators wearing this symbol?
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Climate change: Why are US senators wearing this symbol?

Ed Hawkins, a climate scientist at the University of Reading, created a graphic that represents how the world is becoming warmer.

US Democrat senators Tom Carper, Sheldon Whitehouse and Chris Van Hollen wore it as a badge at the State of the Union address.

Video produced by Christopher Giles and Lorna Acquah

  • 09 Feb 2020
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