Greenpeace X GoyaGoyaDecember 20, 2022spent grain, circular economy, sustainability, greenpeace Spent Grain: Non-Traditional Paths to a Sustainable Food Future Can we divert spent grain from landfills to use as a nutritional food supplement? | Elizabeth Yorke Greenpeace X GoyaGoyaDecember 20, 2022spent grain, circular economy, sustainability, greenpeace