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How a massive ice shelf buttressed the last ice age's glaciers—and what it could mean for Antarctica today

المصدر: Phys.org - latest science and technology news stories · نُشر

How a massive ice shelf buttressed the last ice age's glaciers—and what it could mean for Antarctica today
المصدر: Phys.org - latest science and technology news stories

About 20,000 years ago, an enormous, floating ice shelf more than a mile (1.6 kilometers) thick helped lock in three of the largest ice sheets in northern Canada and Greenland. When that ice shelf disappeared, it helped unlock part of these ice sheets, which contributed to hundre

About 20,000 years ago, an enormous, floating ice shelf more than a mile (1.6 kilometers) thick helped lock in three of the largest ice sheets in northern Canada and Greenland. When that ice shelf disappeared, it helped unlock part of these ice sheets, which contributed to hundreds of feet of sea level rise, establishing modern coastlines as we know them.

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Study finds air quality warnings had only a modest impact on Montrealers' movements during wildfires
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Study finds air quality warnings had only a modest impact on Montrealers' movements during wildfires

When Environment and Climate Change Canada (ECCC) urged Montrealers to limit outdoor activity during Canada's worst wildfire smoke episodes, the city's travel patterns shifted—but far less than public health officials might have hoped, according to a new McGill University study p

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Antarctica’s sea ice has undergone a stunning reversal
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Antarctica’s sea ice has undergone a stunning reversal

Antarctic sea ice reached its third-lowest winter maximum in 2026, extending a remarkable decline that began after years of record-breaking growth. Scientists are investigating whether the dramatic reversal signals a long-term shift in Antarctica's frozen landscape.

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