Since 1990, summers in Yellowstone NP warming at highest rate in 1250 years: new study

Summers in the nation’s first and oldest national park are rapidly heating up, new research finds. For the last two decades, Yellowstone National Park has been warming at its most intense rates in at least 1,250 years.

2016 was the warmest the region had seen since 770.

https://www.scientificamerican.com/article/yellowstone-is-warming-at-its-fastest-rate-in-1-250-years/