Palo Alto Mayor Sid Espinosa and Palo Alto Unified School District Superintendent Kevin Skelly joined Terman Middle School students and volunteers from the local nonprofit Canopy Thursday to plant trees at Terman in honor of Earth Day.

To further celebrate Earth Day today (April 22), Espinosa will join Skelly in biking to JLS Middle School. Espinosa plans to spend this afternoon at JLS, where he and Skelly will officiate the school's "Rally for the Planet," check out a solar car built by students and unveil the plan for expanding the school. The expansion will include eco-friendly landscaping and building features, as well as improved bike and pedestrian amenities.

Espinosa will also kick off the city's chief Earth Day celebration -- the "Clean Green Street Scene" at Lytton Plaza, at the corner of University Avenue and Emerson Street downtown. The event, which will be held from 4 to 8 p.m., will feature a poetry slam, information booths, live music and a "recycled fashion show."

Watch video from the "Rally for the Planet" event at JLS