Environmentalism Events in Sunnyvale

Check out happening environmentalism events all around Sunnyvale, CA

National River Cleanup Day - Site #41: Sunnyvale East Channel, Sunnyvale

 Sat, 16 May at 09:00 am Fair Oaks Dog Park Free

National River Cleanup Day 2026 - Site 24: El Camino Storm Drain, Sunnyvale

 Sat, 16 May at 09:00 am El Camino Storm Drain near Willow Ave Free