FLORIDA — A map projecting sea level rise shows which Florida cities are likely to be underwater by 2050. The map, which is developed by the Florida Climate Center at Florida State University ...

NASA’s latest study has revealed a troubling reality. According to their latest study, many U.S. cities are sinking, and fast. Combine that with rising sea levels, and we've got a recipe for disaster.

raising sea level by 216 feet. Explore what the world’s new coastlines would look like. 8 min read This story appears in the September 2013 issue of National Geographic magazine. The maps here ...

Not only was it able to measure sea level to an incredible degree of accuracy (1.5 inches), but it was the first mission to map the Earth’s tides. It mapped currents across the ocean ...