Cornell collects rare ash tree cuttings in race against invasive beetle

Winter isn’t the ideal season for pruning trees in Upstate New York, but it’s the best time to cut scion or twigs from ash trees in parts of the state where the species has been all but wiped out.
MinnPost

Cities ponder how to deal with tree infestations

… but our independent journalism isn’t free to produce. Help us keep it this way with a tax-deductible donation today. In 2009, an invasive tree pest was discovered on an ash tree in St. Paul. This ...
OPB

Invasive emerald ash borer could wipe out Oregon’s ash trees. Here’s how you can help

Federal funding for public media has been eliminated. Take action now and protect OPB's independent journalism and essential programs for everyone. The beloved characters of James Herriot’s All ...
OPB

Invasive emerald ash borer has reached Portland, dooming ash trees

An invasive, tree-killing pest has made its way to Portland, spelling trouble for the many ash trees that cool residential neighborhoods on hot summer days. On Wednesday, Oregon forestry officials ...