Pee cycling: Turning human urine into fertilizer

Researchers around the world are studying the use of recycled human urine as agricultural fertilizer, to return precious nutrients and minerals to the soil. Correspondent Faith Salie talks with representatives of the Rich Earth Institute about the process of collecting, pasteurizing and distributing massive quantities of pee, and with farmers and gardeners in Vermont who are using urine on their land. CBS News Sunday Morning features stories on the arts, music, nature, entertainment, sports, history, science and Americana, and highlights unique human accomplishments and achievements. Check local listings for CBS News Sunday Morning broadcast times. Subscribe to the CBS News Sunday Morning YouTube channel: Get more of CBS News Sunday Morning : Follow CBS News Sunday Morning on Instagram: Like CBS News Sunday Morning on Facebook: h