Regional Livability Summit: Earth Week 2007

Learn about the biggest challenges facing the metro area and hear sage words from environmentalist Denis Hayes, national coordinator of the first Earth Day. Portland State University, Smith Center Ballroom, 1825 SW Broadway, third floor. More info at 8 am-4 pm. $45 (suggested).

Trash to Treasures Earth Day Bash

Ever want to see one of TriMet's biodiesel buses, learn how to repair your bike, make a perfect compost bin and sing along with "Earthsinger" Dave Orleans? Your kids might, too. Portland Children's Museum, 4015 SW Canyon Road. Call 223-6500 for more info or visit 9 am Friday-5 pm Sunday. $6-$7. Some fees for activities.

Planting Seeds of Community

The City Repair Project and the Earth Day Coalition give props to Gaia with their all-day event in Woodlawn Park, including three stages of music, green workshops and a Kids' Village for the little ones. Woodlawn Park, Northeast 13th Avenue and Dekum Street. Call 235-8946 for more info or visit 10 am-10 pm. Free.

BikeEarthDay 2007

Team up with volunteers from the Community Exchange Cycle Touring Club at one of 11 locations around the city and parade with fellow cyclists to the Woodlawn Park hoedown on your green steed. Various locations. Map and more info at Free.

Earth Day at People's

Get green with envy at the People's Food Co-Op and take a tour of their impressive eco-friendly building. There will be seed-planting fun for the kids and free energy-efficient lightbulbs for all. 3029 SE 21st Ave., 232-9051, Noon-3 pm. Free.