In Focus A Lesson in Composting By Santiago MejiaMay 27, 2015 7:14 PM SantiagoMejiaFacebooksanti_415_ Teenagers from the 4-H Healthy Living Ambassadors program watered the worm bin at the Tucson Farm Village in Tucson on May 27. The program plans to train at least 300 youth this year in farming, nutrition and food preparation.SANTIAGO MEJIA/NYT INSTITUTE EmailFacebookTwitterTumblrMorePocketPinterestRedditPrint