Read the article here.We know that the tree canopy plays a huge part in climate resilience. Urban centers are often the sites of first introductions of invasive pests and pathogens. Knowing what to look for can help us avoid unhealthy plants in our own gardens, but a bit of knowledge might just prevent real disaster. Protecting our urban forests takes all of us working together, professionals and community members. Tyler Hale is the Program Manager of the Plant Protection Program and Sentinel Plant Network at the American Public Gardens Association. These programs share scouting resources, diagnostic support and educational materials to help public gardens stop serious pests and diseases by working on the front lines of early detection.