00:00What if the biggest threat to rising seas isn't melting ice you can see?
00:04Scientists have just uncovered something shocking beneath Antarctica.
00:08A massive hidden network of liquid water deep under the ice.
00:12This isn't just trapped water.
00:14It's moving.
00:15It's spreading.
00:17And it's acting like a lubricant.
00:19That means the entire ice sheet above it can slide faster, straight toward the ocean.
00:24Until now, scientists believed Antarctica's ice was more stable.
00:28But this discovery changes everything.
00:31Because if the East Antarctic ice sheet speeds up, sea levels won't rise by inches, but by feet.
00:37Cities like Miami, New York, and New Orleans are already preparing.
00:41But this new timeline could be much sooner than expected.
00:45Even more surprising?
00:47This hidden water is heated from below by geothermal energy, something most climate models barely considered.
00:55Experts are calling this the missing piece in understanding ice loss.
00:58And here's the reality.
01:00Nearly half the world lives near coastlines.
01:03So what happens in Antarctica could reshape the future of cities everywhere.
01:07So what happens in Antarctica could be much easier for the future of the future of the future of the
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