Paris Agreement For Climate Change Signing

NEW YORK, NY - APRIL 22: Actor/activist Leonardo DiCaprio speaks before Turkish Environment and Urban Planning Minister Fatma Guldemet Sari, and France's President Francois Hollande sign the accord at the United Nations Signing Ceremony for the Paris Agreement climate change accord that came out of negotiations at the COP21 climate summit last December in Paris. on April 22, 2016 in New York City. At least 155 countries are expected to sign the agreement which has the goal of limiting warming to 'well below' 2 degrees Celsius above preindustrial levels. The ceremony symbolically takes place on Earth Day. (Footage by Bilgin S. Sasmaz/Anadolu Agency/Getty Images)