A protester carries a sign depicting the earth during the Peoples Climate March near the White House in Washington, U.S., April 29, 2017. REUTERS/Joshua Roberts - RTS14HJN

Protesters carry signs during the Peoples Climate March in front of the statue of Lafayette at the White House in Washington, U.S., April 29, 2017. REUTERS/Joshua Roberts - RTS14HJR

Demonstrators march down Pennsylvania Avenue past the White House during a People's Climate March, to protest U.S. President Donald Trump's stance on the environment, in Washington, U.S., April 29, 2017. REUTERS/Mike Theiler - RTS14HCQ

Demonstrators walk on the Pacific Coast highway during People's Climate March protest for the environment in the Wilmington neighborhood in Los Angeles, California, U.S. April 29, 2017. The march, which specifically protested the expansion of a Tesoro refinery, was held in a heavily industrialized neighborhood and was led by environmental leaders from the indigenous and minority communities. REUTERS/Andrew Cullen - RTS14I0I

A group of indigenous dancers from the Anahuacalmecac School perform a spiritual ceremony to begin the People's Climate March protest for the environment in the Wilmington neighborhood in Los Angeles, California, U.S. April 29, 2017. The march was held in a heavily industrialized neighborhood and was led by environmental leaders from the indigenous and minority communities. REUTERS/Andrew Cullen - RTS14HZG

Demonstrators march down Pennsylvania Avenue during a People's Climate March, to protest U.S. President Donald Trump's stance on the environment, in Washington, U.S., April 29, 2017. REUTERS/Mike Theiler TPX IMAGES OF THE DAY - RTS14HD2

Jules Luna, (R), plays a tambourine while walking in the People's Climate March protest for the environment in the Wilmington neighborhood in Los Angeles, California, U.S. April 29, 2017. The march, which specifically protested the expansion of a Tesoro refinery, was held in a heavily industrialized neighborhood and was led by environmental leaders from the indigenous and minority communities. REUTERS/Andrew Cullen - RTS14I0U

A protester in a costume depicting Trump sets an Earth on a tee as he holds a golf club while joining demonstrators moving down Pennsylvania Avenue during a People's Climate March, to protest U.S. President Donald Trump's stance on the environment, in Washington, U.S., April 29, 2017. REUTERS/Mike Theiler - RTS14HFY

Demonstrators walk on the Pacific Coast highway during People's Climate March protest for the environment in the Wilmington neighborhood in Los Angeles, California, U.S. April 29, 2017. The march, which specifically protested the expansion of a Tesoro refinery, was held in a heavily industrialized neighborhood and was led by environmental leaders from the indigenous and minority communities. REUTERS/Andrew Cullen - RTS14I0R

Demonstrators march down Pennsylvania Avenue during a People's Climate March, to protest U.S. President Donald Trump's stance on the environment, in Washington, U.S., April 29, 2017. REUTERS/Mike Theiler - RTS14HGE

Actor and activist Jane Fonda speaks to the crowd during the People's Climate March protest for the environment in the Wilmington neighborhood in Los Angeles, California, U.S. April 29, 2017. The march was held in a heavily industrialized neighborhood and was led by environmental leaders from the indigenous and minority communities. REUTERS/Andrew Cullen - RTS14HZ9

Demonstrators walk on the Pacific Coast highway during People's Climate March protest for the environment in the Wilmington neighborhood in Los Angeles, California, U.S. April 29, 2017. The march, which specifically protested the expansion of a Tesoro refinery, was held in a heavily industrialized neighborhood and was led by environmental leaders from the indigenous and minority communities. REUTERS/Andrew Cullen - RTS14I0J

Image for illustrative purpose. Demonstrators march down Pennsylvania Avenue past the White House during a People's Climate March, to protest U.S. President Donald Trump's stance on the environment, in Washington, U.S., April 29, 2017. REUTERS/Mike Theiler

Protesters carry signs during the Peoples Climate March at the White House in Washington, U.S., April 29, 2017. REUTERS/Joshua Roberts - RTS14HJJ

A protester dressed as U.S. President Donald Trump rally during the Peoples Climate March at the White House in Washington, U.S., April 29, 2017. REUTERS/Joshua Roberts - RTS14HJM