Mashable: As the world's ice sheets melt in response to warming air and ocean temperatures, global sea level is increasing. This is already putting cities from New York to Shanghai at risk of almost routine flooding from even relatively minor storms.
The question facing scientists and policy makers is how much sea level rise they need to plan for in the coming decades, and recent findings are concerning.
On Wednesday, NASA scientists said they expect several feet of global sea level rise by the end of...