Giant Redwoods May Dry Out; Warming To Blame?

Fog shrouds redwoods in California's Humboldt Redwoods State Park.
Photograph by Michael Nichols, National Geographic Stock

From The National Geographic:

Declining fog cover on California's coast could leave the state's famous redwoods high and dry, a new study says.

Among the tallest and longest-lived trees on Earth, redwoods depend on summertime's moisture-rich fog to replenish their water reserves.

But climate change may be reducing this crucial fog cover. Though still poorly understood, climate change may be contributing to a decline in a high-pressure climatic system that usually "pinches itself" against the coast, creating fog, said study co-author James Johnstone, an environmental scientist at the University of California, Berkeley.

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