The latest documentary from National Geographic, Sea of Hope: America’s Underwater Treasures, follows Dr. Sylvia Earle and her team, including renowned National Geographic photographer Brian Skerry and writer Max Kennedy, as they embark on a year-long journey to use the power of photography to advocate for the protection of vital underwater habitats and natural wonders. Sea of Hope premieres on Sunday, January 15, at 7:00 PM ET / 6:00 PM CT.