If nothing is done to curb carbon emissions, Miami is in danger of being underwater by the end of the century. Jack Black is there to find out if and how the city can survive rising seas.
New York Times columnist Tom Friedman investigates the increasing population of climate refugees and actor Don Cheadle is on the ground in California, where the worst drought in 1,200 years is having devastating effects.
Arnold Schwarzenegger sets out to explore the military's relationship with a changing climate, including how our armed forces are dealing with an increasing number of climate-related disasters.
Joshua Jackson travels to the Philippines and Australia's Great Barrier Reef to investigate the impacts of climate change on our world's oceans and the millions of people who rely on their ecosystems for their livelihood.
Actress and activist Nikki Reed explores what some believe to be the ultimate solution for climate change: putting a price on carbon. Former "Daily Show" correspondent Aasif Mandvi sets off on a quest to understand just how much of a threat climate change poses to endangered species. He travels to Kenya's wildlife preserves to meet the people on the front lines of conservation efforts.
Even though coal plants are shutting down across the country, coal remains a major source of energy, and burning it emits toxic pollutants and climate-altering carbon dioxide.
