Ancient wedges in permafrost appear to have 'stubbornness' to survive hotter periods - providing hope for a slower release of carbonA team of Canadian researchers has unearthed the most ancient ice ever found in North America - 700,000-year-old wedges that didn't melt when the Earth was much balmier than it is today. The scientists say their discovery means the permafrost that covers a quarter of the land in the Northern Hemisphere may not release its vast stores of carbon as quickly as some experts fear.
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Discovery waters down fears of fast-melting ice (All change is stasis)
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