Add Yahoo as a preferred source to see more of our stories on Google. Sea-level rise changes coastlines, putting homes at risk, as Summer Haven, Fla., has seen. Aerial Views/E+/Getty Images When polar ...

Further land area of between 1,006 and 1,389 km2 is threatened by relative sea-level rise by 2050, posing a threat to a population of 55,000–273,000 people and 31,000–171,000 properties. This double ...

(THE CONVERSATION) When polar ice sheets melt, the effects ripple across the world. The melting ice raises average global sea level, alters ocean currents and affects temperatures in places far from ...