Graze the Roof November Workshop: Introduction to Composting and Vermicomposting Date: Saturday, November 14th Time: 11AM – 1PM Cost: $10 donation (no one turned away for lack of funds). Location: Glide Foundation (330 Ellis St @ Taylor St, San Francisco, CA) Must RSVP in advance to GrazeTheRoof [at] gmail [dot] com. Learn how to turn your kitchen and yard waste into rich soil & organic fertilizer. Learn about our rooftop compost and worm bin systems, and learn how to build your own kitchen worm bin for a few dollars.