Gleaning is an ancient word for a practice that dates back to Biblical times. Farmers allowed peasants to take leftover crops after the harvest was over. The practice has been making a comeback in recent years as a way to fight hunger locally and cut back on food waste.
At Clean Greens Farm in Duvall, Washington, a field of kale is overflowing. It's been picked before, but it just keeps on coming, says farm manager Tommie Willis, as he leads a group of volunteers to one patch and shows them how to glean.