Ty Burrell looks into the progress of electric vehicles (EVs) and automated vehicles, from Silicon Valley's technology innovators to Atlanta, Georgia, where generous EV incentives were recently killed. Arnold Schwarzenegger explores how the military is adapting to climate change by increasing energy efficiency and using renewables. In Kuwait, he sees how fuel convoy's are responsible for most US soldier deaths.

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.

At the Great Barrier Reef in Australia, Joshua Jackson investigates the impacts of ocean warming on coral reefs and looks at the predicted impact of ocean acidification. He travels to the Philippines, whose citizens heavily rely on healthy reefs for food and other ocean products and protection from storms. Nikki Reed looks at the best single solution for climate change: putting a price on carbon. She joins activists and interviews the mayor of Vancouver, were carbon pricing has been a success.