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WASHINGTON, DC - APRIL 29:  People gather near the U.S. Capitol for the People's Climate Movement before marching to the White House 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 gather near the U.S. Capitol for the People's Climate Movement before marching to the White House 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)

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    Thousands protest Trump's climate policies

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Thousands protest Trump's climate policies

Thousands of protesters are gathering in Washington as part of the Peoples Climate March, a protest of President Trump's climate policies. CNN's Brian Todd reports.

Thousands protest Trump's climate policies

Thousands of protesters are gathering in Washington as part of the Peoples Climate March, a protest of President Trump's climate policies. CNN's Brian Todd reports.