National Geographic Maps Our Coastline After We Melt All Earth’s Ice, Raising Seas Over 200 Feet

National Geographic Maps Our Coastline After We Melt All Earth’s Ice, Raising Seas Over 200 Feet: The best science suggests that on our current CO2 emissions path, by 2100 we could well pass the tipping point that would make 200+ feet of sea level rise all but unstoppable -- though it would certainly take a long time after 2100 for the full melt-out to actually occur.