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PHOTOS: The Best Climate March Signs

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There is No Planet B

Many protest signs focused on a need to protect the planet. Demonstrators hold signs during the People's Climate March on April 29, 2017 in Chicago, Illinois in this photo. There were also major marches in Washington D.C. and in Denver. (Getty)

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See the best photos of People's Climate March signs from Washington D.C., Denver, Chicago and other cities.