The Catskill Center will host a training session on the emerald ash borer and other invasive species. The presentation will be led by Lucy Potter and Dan Snider of the Catskill Regional Invasive Species Partnership (CRISP) and will include identification, survey and reporting techniques about forest pests such as the emerald ash borer. It also will include an update on infestation of those pests in the area. Information and registration at (845) 586-2611 or by email at lpotter@catskillcenter.org.