4th Annual Delaware County Sustainability Conference

The Delaware County Office of Sustainability hosted the 4th Annual Delaware County Sustainability Conference the week of June 9th – 14th, 2025, as a hybrid event!

In 2025, Delaware County hosted the 4th Annual Delaware County Sustainability Conference in a hybrid format with virtual programming taking place June 9th – 13th and an in-person closing keynote celebration on June 14th at the Lazaretto Ballroom in Tinicum Township. This format aimed to blend the enthusiasm and energy of the previous events, while improving accessibility allowing more community members to take part in the conference.

Sessions were centered around the County’s sixsustainability focus areas of natural resources, energy and efficiencies, transportation, zero waste, climate resiliency and health and wellness, while also touching onemerging trends in sustainability such as regenerative farming, gas-powered leaf blower bans, and cumulative impact legislation. Delaware County was also thrilled to host delegates from Pingtung County, Taiwan, whoshared their innovative solutions to climate change! The Conference concluded with an engaging in-person Keynote presentation at the Lazaretto Ballroom, from local celebrity and beloved meteorologist, Glenn “the Hurricane” Schwartz, followed by an exposition of more than 30 local organizations, businesses, and sustainability heroes for networking and collaboration.

Guests also had the opportunity to explore the historic Lazaretto Quarantine Building in Tinicum Township,which serves as an incredible case study of adaptive reuse.

To see the full conference agenda and session recordings, please use the links below:

Conference Itinerary
Session Recordings
Conference Exhibitors
Conference Sponsors