Small batch composters are digging deep to find big waste solutions

At Bishop O’Dowd High School in the Oakland hills, gardener Ned Lange is making small-batch vermicompost from the school’s food scraps. He takes scraps like leafy greens, peels, and stems that won’t make it into the cooked lunch, and blends them into a smoothie that he feeds into an 8-by-4-foot corrugated steel bin that is…

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Where do all those rotting jack-o-lanterns go?

Right now, somewhere on your block, a pumpkin is rotting. If you’re lucky, that somewhere is in a Waste Management-sanctioned green bin, where it can safely decay with other compostable trash, and not on your front porch. It is mid-November, after all. This time of year, pumpkins become a major player in the composting program…

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EBMUD turns food scraps into electricity

Five days a week, a long chrome truck pulls up to EBMUD’s wastewater treatment plant. It lifts its hydraulic-powered trailer bed and proceeds to dump 40,000 pounds of what looks like thick sewage into a giant underground mixer. Strangely, it smells … good. Not what you’d typically imagine for a sewage plant.

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