Tag: Arctic warming
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New Arctic Report: Rivers Turn Bright Rust as Warming Unleashes Iron from Thawing Ground
Summary: A New Arctic Warming Signature A recent assessment of Arctic climate data reveals a striking, ongoing phenomenon: hundreds of rivers and streams in the region are turning bright red-orange. The color comes not from pollution but from naturally occurring iron that is being mobilized as permafrost thaws and soil layers warm. This “rusting rivers”…
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After 40,000 Years, Microbes Are Awakening From Thawing Permafrost
Waking the Long-Frozen Microbes: A Window into the Arctic’s Hidden Life In a discovery that blends microbiology with climate science, researchers report that microbes buried in Alaskan permafrost for tens of thousands of years are reawakening as the freezer-like ground thaws. Some of these organisms have been trapped for as long as 40,000 years, yet…