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Green Menace: Emerald Ash Borer Could Decimate Denver’s Trees

(CONFLUENCE DENVER) — Ash trees took root in Denver in the 1970s and ’80s, according to Denver City Forester Rob Davis. They do well in the city’s poor soil, so they became an ideal replacement for American elm, which was devastated by Dutch elm disease. Now the emerald ash borer poses an even graver threat to Denver’s urban canopy than Dutch elm disease did decades ago.