Sunday, 27 June 2021

The Sweating of Yellowstone

Yellowstone is American's oldest and most popular National Park. A report by Montana State University, the US Geological Survey and the University of Wyoming, suggests it will be substantially challenged by rocketing temperatures (https://www.theguardian.com/environment/2021/jun/25/yellowstone-national-park-climate-crisis). The report notes that current temperatures in Yellowstone, are higher than they have been for at least 20,000 years. In deed, it may be 800,000 years, since temperatures were as hot. With the current emissions of 'greenhouse gases', temperatures are predicted to climb a further 5-10 degrees Fahrenheit by 2100. Yellowstone Park would then be subject temperatures above 90 degrees Fahrenheit, on 40-60 days a year. There is already less water in the Park. This creates problems for many plants and animals found in Yellowstone, including the herds of North American bison. The Old Faithful geyser also may well stop its circa 90 minute water emissions. Some human populations also rely on water from snow melt in Yellowstone. They are likely to have to find water from elsewhere. Increasing ambient temperatures will cause major disruptions of ecologies in most US National Parks. They would all be fundamentally changed.

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