On average, Americans eat three hamburgers a week. That's a national total of nearly 50 billion burgers per year. And burgers typically cost only a few dollars from fast food joints. That seems pretty cheap. But what we don't…

A controversial resettlement program in Ethiopia is the latest battleground in the global race to secure prized farmland and water. Correspondent Cassandra Herrman reports as part of the Food for 9 Billion series, a NewsHour partnership with the Center for…