Bucks County Audubon is co-sponsoring “From Planetary Boundaries to Ecosystem Services:  Mapping a future for humanity on planet Earth”;  Elena Bennett, McGill University”. This FREE virtual event will be held on Wednesday, November 17 at 6:00 pm. To register, please visit:  https://delval-edu.zoom.us/webinar/register/WN_zquRRcjfSfi9i3PPRF0fbw