National Public Radio: The droughts that have parched big regions of the country are killing forests.
In the arid Southwest, the body count is especially high. Besides trying to keep wildfires from burning up these desiccated forests, there’s not much anyone can do. In fact, scientists are only now figuring out how drought affects trees.
Park Williams studies trees at the Los Alamos National Laboratory in New Mexico, but not the way most scientists do. “We’re interested in trees that die,” he says – spefiically,…

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