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Earthworms are Changing Climate Change Models

https://www.nytimes.com/2019/05/20/science/earthworms-soil-climate.html

Worms are wriggling into Earth's northernmost forests, creating major unknowns for climate-change models. Cindy Shaw, a carbon-research scientist with the Canadian Forest Service, studies the boreal forest - the world's most northerly forest, which circles the top of the globe like a ring of hair around a balding head.