Dr. Caitlin McDonough Mackenzie, David H. Smith conservation research postdoctoral fellow and Second Century Stewardship fellow at the University of Maine, will speak about her research on specifics of climate change’s current effects on local plants and ecosystems. Tower Hill Botanic Garden is sponsoring this webinar on August 12 at 6:30 pm, and you will receive a Zoom link following registration. $7 for Tower Hill members, $10 for nonmembers. Register at www.towerhillbg.org.