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Category / Antarctica

How an ancient methane ‘blow-out’ caused massive craters in the ocean

The Arctic sea floor was once like a pressure cooker, with methane gas building, building, building beneath an ice sheet for thousands of years. But when the ice eventually melted, the lid suddenly burst off, unleashing enormous amounts of methane and forming deep craters. Some 12,000 years later, the craters are still profusely leaking methane...CONTINUE READING

Antarctica’s ice walls are no match for The Wall in ‘Game of Thrones’

Until a fire-spewing dragon breached The Wall in Game of Thrones, the 700-foot tall ice fortification kept murderous armies of resurrected dead from entering the Seven Kingdoms.  Unfortunately, ice walls on Earth aren’t this robust. Glaciologist Martin Truffer of the University of Alaska Fairbanks recently revealed this reality at the American Geophysical Union’s annual meeting...CONTINUE READING

Seas may rise by 8 feet this century inundating land that’s home to 153 million people

The amount of sea level rise that most of us will experience in our lifetimes may be more than double what was previously anticipated, unless we sharply curtail greenhouse gas emissions, according to a new study that factors in emerging, unsettling research on the tenuous stability of the Antarctic Ice Sheet.  Importantly, the study highlights...CONTINUE READING

Antarctic ice shelf crack is moving at record speeds, poised to cleave off massive iceberg any minute

A crack spreading inexorably across the Larsen C Ice Shelf in northwest Antarctica has surged forward at record rates, bringing the ice shelf closer to cleaving off an iceberg roughly the size of Delaware. If this occurs, it would be one of the largest icebergs ever observed and could leave the ice shelf behind it...CONTINUE READING

The 7 best views of the Larsen C iceberg breaking off Antarctica

A giant iceberg breaking off Antarctica is a disconcerting sight, but it’s also fascinating to watch. One of the largest icebergs ever recorded finally broke free from the Larsen C Ice Shelf in northwest Antarctica, U.S. and European agencies monitoring the region confirmed on Wednesday. The 2,200-square-mile block is about the size of Delaware (or...CONTINUE READING

A huge ice crack in Antarctica grew 11 miles in 6 days, and a giant iceberg is coming

On the same day that President Donald Trump is making his big announcement on whether to keep the U.S. in the Paris Agreement on climate change, potentially ominous news has emerged from a group of scientists keeping watch on Antarctica’s ice sheet.  A crack that has been spreading across the Larsen C Ice Shelf in...CONTINUE READING

NASA took the 1st, astonishing aerial photos of the giant new Antarctic iceberg

Each Antarctic spring and summer, NASA flies special aircraft over the continent to keep tabs on how global warming is altering the landscape. The agency does the same in the Arctic each summer, for a project known as Operation IceBridge.  Just a few days ago, a NASA P-3 Orion aircraft flew from Ushuaia, Argentina, out...CONTINUE READING