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.

New York City isn’t the only metropolis that ... exacerbating the effects of sea level rise. A study detailing this literal downward trend was published earlier this year in the journal ...

MORE: How rising sea levels will affect New York City, America's most populous city About two-thirds of sea level rise in recent years has resulted from the melting of ice sheets and glaciers ...