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Jessica Eise

In this Jan. 24, 2016 photo, a malnourished child lies in a bed at a therapeutic feeding center in a hospital in Sanaa, Yemen. Some 3 million children here under five years require services to treat or prevent malnutrition, according to a UNICEF report on Jan. 13. (AP Photo/Hani Mohammed) (AP)

World hunger has risen for three straight years, and climate change is a cause

Jessica Eise, Kenneth Foster