With news of invasive insects and diseases that are destroying community trees throughout the country, it is easy to view the situation as hopeless. However, one of the most powerful means of combating the havoc caused by these invasions is relatively simple and inexpensive — diversifying the kinds of trees we plant and manage. Learn how to quantify tree diversity and implement a plan to set in action.
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Tree City USA Bulletin © 2018 Arbor Day Foundation.