Walking Under Water - DVD

Through cutting-edge CGI, National Geographic explores the potential effects of sea level rise on our civilization over the next few centuries. Earth Under Water explains the science behind the prediction of sea level rise and shows what will happen if the levels rise with increasing speed. Then, we fast forward to the twenty-third century to see how resourceful humans fight back and adapt using hyper engineering, vast dams, and even

With a host of problems threatening the earth's surface, is underwater living a viable alternative? Meet the scientists who believe that permanently submerged colonies are not just possible, but imminent. National Geographic follows the scientists as they tackle the hypothetical challenge of housing 100 families below the ocean's surface and race to overcome obstacles such as bone-crushing pressures, ravaging storms and scalding volc

The Gulf of Mexico is home to thousands of gas and oil platforms, in addition to some of the planet's most severe storms. So who do you call when a well or platform stops producing, or is toppled by a massive storm? Meet the Delta Divers, a team of highly skilled underwater adventurers who descend where few dare to go to 300 feet below the water's surface. National Geographic joins them as they head out to dismantle offshore rigs.