Tag Archives: Oregon Department of Environmental Quality (DEQ)

The Moss That Saved Portland 

Roadside plants helped officials trace the source of a public health crisis and led to new standards for clean air in Oregon. Orthotrichum lyellii is the hero of this story. You’ve probably met it before: a tuft of green with … Continue reading

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Moss is useful bioindicator of cadmium air pollution, new study finds 

Moss growing on urban trees is a useful bio-indicator of cadmium air pollution in Portland, Oregon, a U.S. Forest Service Pacific Northwest Research Station-led study has found. The work–the first to use moss to generate a rigorous and detailed map … Continue reading

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