ນຶ່ງແສນຄົນເດີນຂະບວນ ປະທ້ວງສະພາວະໂລກຮ້ອນ ຢູ່ນິວຢອກ - ວັນທີ 21 ກັນຍາ 2014

From left, French Foreign Minister Laurent Fabius, primatologist Jane Goodall, former U.S. Vice President Al Gore, New York Mayor Bill de Blasio, and U.N. Secretary General Ban Ki-moon participate in the People's Climate March in New York, Sept. 21, 2014

People hold banners and dance during a Climate Change March demanding politicians take tougher action to protect the climate in Berlin, Sept. 21, 2014.

Demonstrators make their way down Sixth Avenue during the People's Climate March in New York, Sept. 21, 2014.

People hold posters during a Climate Change march to demand politicians take tougher action to protect the climate at Angel de la Independencia monument in Mexico City, Sept. 21, 2014.

From left, Designer Vivienne Westwood, musician Peter Gabriel and actress Emma Thompson join an estimated 40,000 thousand people marching from the Embankment via Whitehall to the Houses of Parliament in central London as part of the People's Climate March

Demonstrators make their way down Sixth Avenue in New York during the People's Climate March, Sept. 21, 2014.

Actor and activist Mark Ruffalo, center left, and actor Leonardo DiCaprio, center right, join participants during the People's Climate March in New York, Sept. 21, 2014.

People with a green heart painted on their faces attend the People's Climate March under the rain at Ipanema beach, Rio de Janeiro, Brazil, Sept. 21, 2014.

Activists hold a banner as they lead a march of tens of thousands down 6th Avenue during the People's Climate March through Midtown, New York, Sept. 21, 2014.

Demonstrators gather in Central Park before the People's Climate March in New York, Sept. 21, 2014.