Books Michael Penuelas Books by Michael Penuelas Michael Penuelas has written books about: Politics & Public Affairs Nonfiction History & Society Science & Health Facebook Twitter Flipboard Email NPR stories about Michael Penuelas A farmer in India piles millet in a field. Grains such as millet and sorghum pack a powerful nutritional punch, but they are overlooked for calorie-laden commodity crops such as wheat or maize. Sam Panthaky/AFP/Getty Images hide caption toggle caption Sam Panthaky/AFP/Getty Images The Salt Do Healthy Diets Protect The Planet? As The U.N. Meets, A Focus On Sustainability September 23, 2018 As United Nations leaders gather in New York, top food and nutrition experts are convening for a forum to talk about how people around the globe can have both a nourished diet and a healthy planet.