The Lewes Mitigation Planning Team will host a presentation at 1 p.m. April 21 at the Lewes Public Library, 111 Adams Ave.

Climate scientist Astrid Caldas will give a presentation focused on rising tides and the impacts on Lewes. Caldas works with the climate and energy program at the Union of Concerned Scientists. Her research focuses on climate change adaptation with practical policy implications for ecosystems, the economy and society.

For information, visit ucsusa.org/about/staff/staff/astrid-caldas.html.