(WASHINGTONPOST) — Three dozen scientists sent an open letter to museums of natural history calling on them to cut ties with the Koch brothers and anyone else with connections to the fossil fuel industry.

In the letter, and a subsequent petition related specifically to the billionaire Koch brothers, the scientists contend that museums of science and natural history should not be associated with “those who profit from fossil fuels or fund lobby groups that misrepresent climate science.”

The petition specifically calls for David Koch to be kicked off the boards of the American Museum of Natural History in New York and the Smithsonian National Museum of Natural History in Washington. The movement is being organized by a new “mobile” museum called The Natural History Museum, on a 15-passenger bus.

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