In tree rings, signs that climate change started boosting drought risk long ago

Tuesday, May 28, 2019 - 22:30 in Biology & Nature

Each spring, hikers flock to Figueroa Mountain, 30 miles northwest of Santa Barbara, to revel in the colorful displays of California poppies and purple lupine. But it’s the gnarled oaks of the rolling foothills that draw scientists. Blue oaks can live for centuries, recording the history of the...

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