ANSI Network on Smart and Sustainable Cities (ANSSC) will host webinar on Envision™ Sustainable Infrastructure Rating System, which is administered by Institute for Sustainable Infrastructure (ISI), from 2:00 to 3:30 pm EDT on March 25th. Featured speaker will be ISI vice president for public education Denise Nelson. Participation is open to individuals who have joined the ANSSC, representatives of local governments, and experts in sustainable urban infrastructure planning and development.