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Articles on Thawing permafrost

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The Denali Highway as it crosses the Susitna River. Joe Sohm/Visions of America/Universal Images Group via Getty Images

Infrastructure bill passed by Congress promises billions for bridge repair – rural Alaska shows the growing need as temperatures rise

Alaska is warming faster than any other U.S. state, and that’s causing problems, a team of bridge engineers and social scientists explains. The infrastructure bill in Congress would offer some help.
Permafrost is thawing across the Arctic, releasing microbes and organic materials that have been trapped in the frozen ground for thousands of years. NOAA via Wikimedia Commons

Thawing permafrost is full of ice-forming particles that could get into atmosphere

New research shows that permafrost contains huge amounts of particles that make it easier for cloud moisture to freeze. Thawing permafrost is releasing these ice-nucleating particles.

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