The emerald ash borer is killing trees all around the Great Lakes and is spreading through the United States. Not only is it killing trees in National Parks and urban areas, it is threatening the lumber industry that provides ash wood for Major League Baseball bats.

The Emerald Ash Borer can be devastating to ash trees around the state if the invasive pest isn't stopped. Don't know if you have an ash tree? Find out how to identify one here.

May 20-26 is Emerald Ash Borer Awareness Week in Wisconsin. Learn how to spot this invasive pest that can really cause havoc for your ash trees. Know your EAB.

May 20-26 may be Emerald Ash Borer Awareness Week but keeping an eye out for the invasive pest is something we should do every day. Learn the signs and symptoms of an Emerald Ash Borer attack on an ash tree.

Overview of the City of Cottage Grove's plan for the prevention and treatment of the Emerald Ash Borer beetle.

Meet the emerald ash borer, a tiny green beetle that has killed millions of ash trees in southern Ontario, parts of Quebec and the northeastern United States since it was first detected in the Windsor, Ontario area in 2002. For an accessible version of this video, please visit: http://www.nrcan.gc.ca/science/video/6415