The Antarctic Ice Sheet Has Started to Collapse and Nothing Can Stop It

For decades, scientists have feared the collapse of the West Antarctic ice sheet—a vast swath of ice that could unleash a slow but unstoppable 10-foot rise in sea levels if it melted. So here is today's terrible news: we now know the ice sheet is melting. And there's pretty much nothing we can do about it. » 5/12/14 3:29pm 5/12/14 3:29pm

What would 25-feet of sea-level rise look like IRL?

People talk a lot these days about rising seas. They talk figures in feet and inches. They make maps, and forecast which stretches of America's coastline will be inundated in 25, 50, or 100 years. But we're visual creatures, and visual creatures want to know: what might this projected sea level rise actually look like? » 4/11/13 10:21am 4/11/13 10:21am