Scientists tackling one invasive species with another : comp

The emerald ash borer is a green bug the size of a thumbnail. And it has killed tens of millions of trees in North America — and caused billions in damage — since it hitched a ride from Asia 20-odd years ago.

Related Keywords

United States , China , Australia , Canada , Quebec , Michigan , America , Canadian , Emma Hudgins , Chris Macquarrie , Canadian Forest Service , Carleton University , North America ,