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  • Sun Day

    Love Park Arch Street, Philadelphia, PA, United States

    Sun Day, September 21, 2025 is a national day of celebration and action on solar energy. Sun Day Philadelphia, at Love Park from 11 am - 3 pm will be full of solar powered and sun inspired activities for all ages. Live music, arts, solar car races, solar s'mores, solar kits for teachers, zero emission vehicle displays and educational and advocacy exhibits on home electrification and clean energy. The event is free and open to the public. Sun Day is cosponsored by the Philadelphia Solar Energy Association, and Third Act Pennsylvania.

    Free

  • Science After Hours: Celestial Sips

    The Franklin Institute 222 North 20th Street, Philadelphia, Pa, United States Minor Outlying Islands

    Raise a glass to the end of Prohibition and toast to the stars. It’s a celebration of cosmic proportions, and you’re all invited! Sip craft cocktails from local distilleries, enjoy rooftop stargazing by telescope, mesmerizing Planetarium shows, hands-on science demonstrations, live music, and more. It’s a night of history, taste, and wonder — all in honor of Repeal Day. Featured Programming: Grab a cocktail and gather in the Fels Planetarium, where Chief Astronomer and master storyteller Derrick Pitts will be joined by musician Keegan Tawa as they take you on a trip through the cosmos for stories of the stars.

    $35 – $40

  • The Future of Local Clean Energy: Community-funded, Community-owned as part of Third Act PA Coffee Clatch

    Zoom, Online Only

    Your Money, Your Power: Finance Local Solar in PA Ready to see your investments make a tangible difference in your backyard? While big developers overlook smaller projects, the Clean Energy Co-op is stepping in to bridge the gap. We're harnessing the power of many small investors working together to bring renewable energy projects to fruition. We empower Pennsylvania residents to collectively fund solar installations for the organizations that anchor our communities—nonprofits, co-ops, and local community-beneficial businesses. Proven Success: 8 completed projects and counting. Big Momentum: We are currently funding our largest installation to date. Community First: 100% volunteer-run and member-owned.

    Free

  • The Future of Local Clean Energy: Community-funded, Community-owned

    Zoom, Online Only

    Your Money, Your Power: Finance Local Solar in PA Ready to see your investments make a tangible difference in your backyard? While big developers overlook smaller projects, the Clean Energy Co-op is stepping in to bridge the gap. We're harnessing the power of many small investors working together to bring renewable energy projects to fruition. We empower Pennsylvania residents to collectively fund solar installations for the organizations that anchor our communities—nonprofits, co-ops, and local community-beneficial businesses. Proven Success: 8 completed projects and counting. Big Momentum: We are currently funding our largest installation to date. Community First: 100% volunteer-run and member-owned.

    Free

  • Philly Outdoor Gear Swap

    The Wissahickon Environmental Center- The Treehouse 300 W Northwestern Ave,, Philadelphia, United States

    The Inaugural Philly Outdoor Gear Swap Saturday, June 6th, 10am- 1pm At The Wissahickon Environmental Center- The Treehouse- 300 W Northwestern Ave, Philadelphia, PA 19118 Join us for a one day outdoor flea market to buy, sell, trade and give away gently used gear. Free to table and free admission. This is a great chance for your equipment to find a new home or for you to find some affordable nature stuff to enhance your adventures! Help someone get some good gear cheap. These things are expensive. Let's help lower one of the barriers to enjoying the outdoors in and

    Free

  • Municipal Solar: Benefits and How-To-Start

    It’s not too late to benefit from the Federal 30% credit for commercial solar systems operating by the end of 2027. Join Solarize Greater Philadelphia and the Sierra Club to find out why now is the best time for municipalities to invest in solar. On-site solar can help make energy costs more predictable and keep energy budgets stable for your municipality. We’ll hear from two municipalities that have installed solar and one that is planning to install solar. There are currently two federal credits available that significantly reduce the cost of solar. A 30% Federal Investment Tax Credit and a

    Free