From his seat in a small plane, Dan West can spot what most people miss as he surveys the trees across Colorado’s 24 million forested acres. Every summer for the past 11 years, the entomologist for Colorado State Forest Service has traced the patchwork of colors looking for clues of stress, like drought and beetle kill.
And this year, the view in some places is a little brown around the edges, even as some pockets of the state are rendered in vibrant yellow and orange.
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