If trees could talk: Tree rings show recent decades warmest in 500 years – Cronkite News
Photo: Karen King, an assistant professor at the University of Tennessee-Knoxville, gathers a core sample from a mountain hemlock tree at
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Photo: Karen King, an assistant professor at the University of Tennessee-Knoxville, gathers a core sample from a mountain hemlock tree at
Photo: Dropping water levels in Lake Powell have left “bathtub rings” on the walls of Glen Canyon. Receding water leaves white
Photo: Water levels at Lake Powell have dropped so low that natural wonders are starting to reappear, including Gregory Natural Bridge,
Photo: Glen Canyon Dam Water levels on Lake Powell, the second largest reservoir in the U.S., have dropped below 3,525 feet
The American West’s megadrought deepened so much last year that it is now the driest in at least 1,200 years and
The largest natural lake west of the Mississippi is shrinking past its lowest levels in recorded history, raising fears about toxic
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