In Ethiopia, the charity Oxfam warns an intense drought has pushed another 700,000 people to the verge of starvation. Oxfam’s warning adds to the U.N.’s earlier estimate that at least 8.5 million Ethiopians are in need of immediate food aid. The U.N. warns that climate change has made droughts in the Horn of Africa far more common, leading to food shortages like a 2011 famine that killed as many as 260,000 people.