Concerned about air quality in and around Pittsburgh? C'mon out to join GASP and fellow breathers at Tree Pittsburgh's amazing new(ish) campus on the Allegheny.
6-8 p.m. at Tree Pittsburgh (32 62nd St., 15201). Taco bar (with vegetarian options), beer, sangria, and other beverages. Free to GASP members (why not become one, if you're not already?)