Populations of North America’s ash trees are in dramatic decline as a result of infections with invasive emerald ash borer beetles, with all but one the continent’s six species reclassified as ...

They will attack all species of North American ash trees. They are native to Asia but were discovered in Detroit, Michigan in 2002. EAB have spread to 35 states including Minnesota and have killed ...

Researchers fear ash trees could become functionally extinct in North America. Should we be actively working to kill invasive ...

Environmental groups in northern Ontario are working to preserve black ash trees from the emerald ash borer, an invasive beetle threatening to wipe out the species. The Invasive Species Centre in ...