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WASHINGTON, DC - MARCH 28: Environmentalist Tom Steyer speaks during a protest outside the White House March 28, 2017 in Washington, DC. Activists protest against President Trump's latest executive order which will roll back President Obama's rules regulating fossil fuel power plants and cutting greenhouse gas. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - MARCH 28:  Environmentalist Tom Steyer speaks during a protest outside the White House March 28, 2017 in Washington, DC. Activists protest against President Trump's latest executive order which will roll back President Obama's rules regulating fossil fuel power plants and cutting greenhouse gas.  (Photo by Alex Wong/Getty Images)