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The rapid sea level rise and resulting retreat of coastal habitat seen at the end of the last Ice Age could repeat itself if global average temperatures rise beyond certain levels, according to an analysis by an international team of scientists.
“I don’t think there is a climate crisis. I think the key processes are exaggerated and misunderstood by a factor of about 200.”
Small island countries press for guarantees as rising sea levels risk leaving their citizens stateless
The Antarctic ice sheet is much less likely to become unstable and cause dramatic sea-level rise in upcoming centuries if the world follows policies that keep global warming below a key 2015 Paris climate agreement target, according to a new study.
The Antarctic ice sheet is much less likely to become unstable and cause dramatic sea-level rise in upcoming centuries if the world follows policies that keep global warming below a key 2015 Paris climate agreement target, according to a new study. But if global warming exceeds the target—2 degrees Celsius (3.6 degrees Fahrenheit)—the risk of ice shelves around the ice sheet’s perimeter melting would increase significantly and their collapse would trigger rapid Antarctic melting. That would result in at least 0.07 inches of global average sea-level rise a year in 2060 and beyond. That...