Dr. Dave Coyle, Clemson University, https://attendee.gotowebinar.com/register/6444408480495842827. The North American Invasive Species Management Association is offering a series of free webinars during the month of April.  These are all invasive species related and open to the public.  More information can be found at https://www.naisma.org/programs/professional-development/webinars/#earth-month (scroll down until you find the Earth Month Webinar section)