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Posted by on Dec 1, 2017 in Environment, Food | 0 comments

Fewer crops are feeding more people worldwide – and that’s not good

By Karl Zimmerer, Professor of Geography, Pennsylvania State University. Peruvian potatoes and black corn. www.Shutterstock.com One day last March I talked with Juliana and Elisa, a mother and daughter who farmed just outside the city of Huánuco, Peru. Although they had only one acre of land in this mountainous landscape, they grew dozens of local varieties…