Illinois says diversity is key to UTC protection; IL; 4/24/09

Celebrate Arbor Day ~ Diversify The Canopy IGNN (press release) - IL,USA
“Trees are an important component of our community landscape, both environmentally and aesthetically,” Warren Goetsch, bureau chief of Environmental Programs, said. “It is vital that every community have a healthy variety of trees within their landscape to help withstand the arrival of new invasive species. The emerald ash borer (EAB), which affects all species of the ash (Fraxinus) family, is today’s crisis, but with growing international trade we can expect other invasive insect species to attack our urban forests.”