Boulder’s trees are dying: Ash borers wreak havoc on urban canopy
Boulder’s trees are dying: Ash borers wreak havoc on urban canopy
boulderreportinglab.org Boulder’s trees are dying: Ash borers wreak havoc on urban canopy
Tree deaths have exceeded tree planting every year for nearly a decade. The culprit is an invasive species.
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The culprit is an invasive species.
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