Years of Living Dangerously

David Lettermantravels to India to investigate the country's efforts to expand its inadequate energy grid, power its booming economy and bring electricity for the first time to 300 million citizens. He interviews Prime Minister Narendra Modi, travels to rural villages where power is a scarce luxury and explores the US role in India's energy future. In Florida and Nevada, Cecily Strong finds former officials and other insiders who reveal how utility companies are blocking the growth of solar energy in the US.

Jack Black explores how Miami and other low-lying coastal areas can survive rising seas. Although the political and business community is largely in denial, he finds a few legislators, residents, activists and scientists racing to solve the problem before disaster strikes. Ian Somerhalder travels to the Bahamas where he dives with scientists from Woods Hole Oceanographic Institute to learn about potential superstorms

In Africa, Thomas Friedman finds an increasing population of refugees fleeing wars, rising sea-levels and hurricanes. Don Cheadleexplores how governor Jerry Brown is fighting the historic California drought while also fighting climate change. A Central Valley scientist shows Cheadle the danger of a global water and food crisis.

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.

In Kenya, Aasif Mandvi explores the threat of climate change poses to endangered species. Drought is compounding poaching and loss of habitat. In Washington, DC, Bradley Whitford looks at the progress of activists like Jay Butera on persuading Republicans to forge bipartisan efforts to act on climate change.

Burning coal remains a major source of energy, emitting toxic pollutants and climate-altering carbon dioxide. In Illinois America Ferrerameets with activists who want to shut down a local coal plant, and with a mayor who want to keep it open. She learns about an option that can provide clean energy and green jobs. Sigourney Weaver investigates China's impact on on today's global environment, and the progress it is making to reduce emissions even as its economy grows.