The volumes are actually huge. Big fan of this program. At the time I think it was written off as an overzealous granola project, but it’s such a significant fraction of the waste stream that… unlike recycling plastics… actually works? www.businessinsider.com/how-san-fran...

How San Francisco composts 550 tons of waste every day

San Francisco pioneered the nation's first citywide composting program. Now the city composts and recycles more trash than it sends to the landfill.