Boreal forests shade permafrost so effectively that summer thaw stays about one metre shallower

Thick forest canopies keep northern permafrost cool, safeguarding vast carbon stores. This natural shade prevents soil thawing and the release of greenhouse gases. Researchers discovered this vital cooling service has been largely overlooked in climate models. Losing these forests means losing this crucial protection for underground carbon. Protecting these boreal forests is therefore extremely important for global climate stability.

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