Please be sure to check the event organizer’s website for any last-minute changes or cancellations prior to attending.

 

Have an event that will fit well on our calendar?

Submit it here!

  • Nature at Noon at Washington Square

    Washington Square Park Philadelphia, United States

    Take a break from your desk and reconnect with the natural world—right in the middle of your workday. Join us for Nature at Noon, a new series of accessible lunchtime nature outings in and around Center City Philadelphia. Nature at Noon is designed to bring joy, inclusion and curiosity to your lunch hour. These one-hour outdoor gatherings center accessibility, biodiversity, safety and connection — with programming that bridges science, art and community. Inspired by the work of In Color Birding Club, Feminist Bird Club, Philly Queer Birders, PCAS Adaptive Birders and Disability Pride PA’s Outdoors for Everyone series, Nature at

  • City Nature Challenge 2026

    Washington Square Park Philadelphia, United States

    The City Nature Challenge (CNC) is a four-day bioblitz where cities around the world record as much wildlife as possible. Wildlife is measured by the total number of observations, the number of species and the number of people making observations. CNC is also a great way to engage in community science and help document the biodiversity of our urban areas. The event takes place using the iNaturalist website and app. Any observation photo, geotagged from anywhere in the seven-county Philadelphia area (Philadelphia, Delaware, Montgomery and Bucks counties in Pennsylvania, and Camden, Gloucester and Burlington counties in New Jersey) and time-stamped