Academy Award winner Leonardo DiCaprio presents more than 50 of the leading scientists, thinkers and leaders of our time—from all over the earth—to discuss the state of the world, of humanity and what we all can do to make a difference in THE 11TH HOUR. Climate change and the collapse of life-sustaining ecosystems are the challenges of our time. As part of a years-long global movement, Leonardo DiCaprio brings a film, a website and a world-wide effort to bring the peoples of the planet together and change the course of humanity.