Yellowstone is warming…

An article in last week’s NYT reports evidence that the Yellowstone is warming up, and triggering a cascade of environmental and ecological changes.   One change is the increase in suitable habitat for the Canada thistle, which outcompetes other plants, and is a food source for Grizzly bears, among other foragers.   Climate change, associated with increasing drought within the park, has made previously marshy terrain suitable to the thistle.


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