When: Wednesday, Feb. 28, 2024, 9 a.m. to 5 p.m. Where: San Diego County Services, 5560 Overland Ave suite 210, San Diego Cost: $20 – $3000 Age limit: All ages Description: The 11th Annual Zero Waste Symposium: This year's theme, Driving Progress with Circular Economy Initiatives, promises an inspiring day where attendees will hear the latest from industry innovators and connect with like-minded professionals.