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WASHINGTON, DC - APRIL 29: People march from the U.S. Capitol to the White House for the People's Climate Movement to protest President Donald Trump's enviromental policies April 29, 2017 in Washington, DC. Demonstrators across the country are gathering to demand a clean energy economy. (Photo by Astrid Riecken/Getty Images)

WASHINGTON, DC - APRIL 29:  People march from the U.S. Capitol to the White House for the People's Climate Movement to protest President Donald Trump's enviromental policies April 29, 2017 in Washington, DC. Demonstrators across the country are gathering to demand  a clean energy economy. (Photo by Astrid Riecken/Getty Images)