Monday February 5, 2024


There’s no precedent in at least five centuries for how hot and dry the West has been in the last two decades, new research asserts using analysis of tree rings.

The study, published in late January, adds to an ever-growing slew of research that suggests human-caused climate change is warming the earth in ways never seen before. It furthers other research like one study, published last year, that showed the West’s conditions over the last 20 years are the driest in 1,200 years because of climate change.

Extreme heat and dry conditions amplify one another—a positive feedback loop climate scientists call “hot drought.”

Findings show, however, that hot drought has never been this severe, making future projections and mitigation measures more unclear, said Karen King, a University of Tennessee, Knoxville assistant professor and lead author of the study.

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