Why I Care: Jessica Alba

Michael C. Hall visits the shrinking island of Banishanta.

Matt Damon on why he cares about climate change and how he got involved with Years of Living Dangerously.

Michael C Hall gets a hands on lesson in navigating the ins and outs of navigating Dhaka.

Michael C Hall speaks about why he cares about climate change.

Jessica Alba talks about her commitment to sustainability.

Mark Bittman talks about why he cares about Climate Change.

America Ferrera sits down with Jigar Shah to discuss the rise of renewables in the U.S.

Years of Living Dangerously Producers go behind the scenes in Vernal, Utah.

Hurricane Sandy destroyed Gigi's restaurant, but she finds a new way to bring comfort to her neighbors by joining the recovery effort.

Pete, a local fisherman in Puget Sound, discusses his family-owned fishing business and the threat to his livelihood that ocean acidification poses