Apr 15, 2014 5:00 PM - Apr 15, 2014 6:00 PM

Want to learn about green roof technology and how it can help the environment? The 45,000-square-foot PECO green roof features an observation deck and stunning views of downtown Philadelphia. PHS offers public tours on the third Tuesday of each month, April through October Attendees must be at least 18 years of age, and reservations must be made at least two business days before each tour. Limit 25 people per tour.

Click here to register.

Note: Tours may be arranged at other times for groups of 10 to 25 people by contacting Information Services at 215-988-1698.