Jun 03 Could studying seawater saltiness be key to decoding the climate puzzle? By Jenny Marder A satellite slated to launch into space next week will study the saltiness of the oceans, and, scientists hope, provide a better grasp of extreme weather events. Continue reading
Mar 02 Watch Go Fish? Not in Pacific Ocean Sanctuaries off California's Coast The battle over dozens of no-fishing zones off the California coast. Continue watching
Sep 22 Watch Oil Disaster Draws New Attention to Louisiana's Coastal Erosion Even though the blown-out BP oil well in the Gulf of Mexico has been permanently sealed, Louisiana is continuing its battle against another environmental challenge: coastal erosion. Tom Bearden reports. Continue watching
Aug 02 Watch Jean-Michel Cousteau Dives Into Tales of Famous Father's Legacy Jean-Michel Cousteau, son of the famous oceanographer, has written a new book, "My Father, the Captain: My Life With Jacques Cousteau," about his father's legacy and his relationship with him as a friend, confidante and employee. Jeffrey Brown has more. Continue watching
Jul 28 Watch 100 Days Into Oil Disaster, What's in the Gulf Waters? The oil has stopped gushing from the BP's damaged Gulf of Mexico well -- at least for now -- but the damages are apparent along the beaches and marshlands. However, little oil can be seen on the water. Jim Lehrer… Continue watching
Jan 06 Bush to Establish World's Largest Marine Sanctuary By PBS News Hour President Bush on Tuesday created three new marine protected areas in the Pacific Ocean, safeguarding more than 195,000 square miles of coral reefs, underwater volcanoes, rare fish and unique habitats. Continue reading
Aug 15 Coastal 'Dead Zones' Continue to Spread, Study Finds By PBS News Hour Huge swaths of the world's oceans are too starved of oxygen to support shrimp, crabs, fish and other marine life, and these so-called dead zones are growing virtually unchecked, according to a new study. Continue reading
Jul 11 Study: One-third of Coral Reef Species Face Extinction By Admin, PBS News Hour Nearly a third of the world's coral reef species face extinction, threatening entire ocean ecosystems. Continue reading
May 17 New Antarctic Marine Species Surprise Scientists By PBS News Hour An international team of researchers has found more than 700 new species in the extreme depths of Antarctica's Weddell Sea, surprising scientists who had thought the region was largely devoid of life. Continue reading
Mar 16 Watch Oceanic Expedition Uncovers Vast Genetic Diversity A two-year study of the world's oceans revealed an unprecedented level of genetic diversity in marine microbes. Expedition leader J. Craig Venter discusses the study and its significance. Continue watching