The world is facing one of the biggest migration waves in history, and Josh Fox travels to the front lines of these displacements—in the United States, the Caribbean, Kenya, Tanzania, Rio de Janeiro, Bangladesh—to follow the stories of people who have to abandon their homes, culture, and past lives in search of climate security. Based on the principle that one in three people on the planet will lose their home due to climate change, Josh believes we need to welcome migrants, not incarcerate them!