Impressed by compost's contribution to the soil, gardeners conferred on it the nickname "black gold." Even more beneficial worm castings could take the title "black diamonds." Just ask Larry Steele, ...

Humans tend to waste a lot of food. It's a problem that has led innovators to come up with all kinds of ideas — for how we could change grocery shopping to how we could change cooking to how we could ...

Worms, kept in a bin of biodegradable bedding, feed on food waste and release castings that are nutrient-rich. Over a period of months, the castings combine with decomposed bedding and become ...

Worm composting, or vermicomposting, uses the digestive power of earthworms to recycle kitchen scraps into nutrient-rich compost. Worm composting is a fascinating process that makes a great family ...

Red wigglers from Will's Worms, a home-based business owned by siblings Will and Alyssa Hatanaka, ages 7 and 8. (Mariah Tauger / Los Angeles Times) Wriggly, voracious Eisenia fetida — red wiggler ...