Emma Thompson at COP21 London March

Actress Emma Thompson and John Sauven, Executive Director of Greenpeace UK, join tens of thousands of people for the People's March for Climate Justice and Jobs in London - part of a global march prior to COP 21 in Paris where global leaders will meet at the climate conference convened by the United Nations. People in cities around the world are taking to the streets to march for ambitious action on the climate crisis.