We Asked NYC's Climate Marchers Why They Were There - Here's What They Said

More than 400,000 climate activists descended on New York City on September 21 in what is officially the "largest climate march in history."

Marchers included such notable names as the UN's General Secretary Ban Ki-Moon, former Vice President Al Gore, Primatologist Jane Goodall, and actor and activist Leonardo DiCaprio, who was recently named a Messenger of Peace.

We were there and asked the marchers we met along the way why they were.

People we talked to hailed from around the country and the world, and represented a diverse set of organizations and causes - but they held the common belief that addressing the issue of climate change will make the world a better place.