Rising Temperatures And Drought Threaten California's Majestic Redwoods
Education Images via Getty Images

I’m dangling 180 feet off the ground in a harness, held by a single rope tied to a redwood tree named Joe. After a moment, I resume my ascent toward the canopy, a unique and largely unexplored ecosystem of mosses, lichen, and wildlife rarely glimpsed from the ground far below.

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