HELENA, Mont. (AP) — Yellowstone National Park visitors are encountering warmer temperatures and less snow as climate change alters its world-renowned environment.

A report by U.S. and university researchers released Wednesday says average park temperatures in recent decades were likely the warmest of the last 800,000 years.

Average annual snowfall also has decreased by nearly 2 feet since 1950. Temperatures in the region are up by more than 2 degrees since 1950 and expected to increase an additional five to 10 degrees by the end of the century.

The changes come as the park attracts increasing crowds, adding to the strain on its natural resources.

 

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READ ON: See the States Where People Live the Longest

Stacker used data from the 2020 County Health Rankings to rank every state's average life expectancy from lowest to highest. The 2020 County Health Rankings values were calculated using mortality counts from the 2016-2018 National Center for Health Statistics. The U.S. Census 2019 American Community Survey and America's Health Rankings Senior Report 2019 data were also used to provide demographics on the senior population of each state and the state's rank on senior health care, respectively.

Read on to learn the average life expectancy in each state.