Do

Discover Microplastics in the TTF Watershed
Wednesday, December 17 from 6:30 – 7:30
Friends Hospital, 4641 E Roosevelt Blvd. TTF Watershed with Academy of Natural Sciences
Are you interested in understanding how microplastics affect our creeks, parks, and neighborhoods? Want to take part in meaningful community science right here in the TTF Watershed?

Native Plant Prep Party
Wednesday, December 17 from 6:30 – 9:00 p.m.
Indy Hall Clubhouse at 709 N 2nd St
We’re gearing up for the 2026 iteration of the Philly Native Plant Project, and we need YOUR HELP!

2025 Audubon Christmas Bird Count
Saturday, December 20 from 8 a.m. – noon
4528 I St
Be a part of Liberty Bird Alliance 126th Audubon Christmas Bird Count in Tacony Creek Park and contribute to community science!

Read

How Trump’s rollbacks to vehicle mileage rules could impact Philly air quality (WHYY, December 10, 2025)

What can I do about climate change? Here’s what the science says (Talking Climate with Katharine Hayhoe, December 12, 2025)

Celebrate

Winter Solstice in the Wissahickon with Melinda Spink and Melvin Chappell
Sunday, December 21 from 10 – 11:30 a.m.
900 Grakyn Lane
Join us on Sunday, December 21 at 10:00 AM for a guided hike through Houston Meadow, as we welcome the turning of the seasons from autumn to winter.