This second annual event offers fun ways to be earth-friendly citizens, including river rides by Wahoo! Adventures on kayaks and Gondola Romantica ($5 per person); free round-trip Stillwater Trolley shuttles from Northland Park, at Northland Avenue and 75th Street, to downtown; and electric car displays.

Enjoy Spokey Dokey live music. Bring kids to Valley Bookseller’s trolley storytime, $5, 10 to 11 a.m., reservations requested by calling 651-430-3385. Get bike safety checks by Gateway Cycle. Learn about $10,000 grants for local businesses to set up recycling sites. Reusable cloth bags will be given away to the first 50 attendees.

The event is hosted by the Stillwater Independent Business Association and Sustainable Stillwater. To get more involved in local environment protection efforts, all are welcome at community meetings of Sustainable Stillwater, first Tuesdays, 6:30 to 8:30 p.m., at 333 Main St. N., Suite 201, Stillwater. For more information, visit http://www.sustainablestillwater.org.