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An international day of action on climate change brought hundreds of thousands of people onto the streets of New York City on Sunday(September 21) easily exceeding organizers' hopes for the largest protest on the issue in history and drawing major support from United Nations Secretary-General Ban Ki-moon.
"Climate change is the defining issue of our time and there is no time to lose. If we do not take action now, we will have to pay much more," said Ban, who wore a T-shirt that read "I'm for climate action" and marched arm-in-arm with British primatologist Jane Goodall and French Ecology Minister Segolene Royal.
Organizers estimated that some 310,000 people, including Ban, former U.S. Vice President Al Gore, actor Leonardo DiCaprio and elected officials from the United States and abroad joined the People's Climate March, ahead of Tuesday's United Nations hosted summit in the city to discuss reducing carbon emissions that threaten the