Extreme heat threatens global food systems, UN agencies warn

Extreme heat is pushing global agrifood systems to the brink, threatening the livelihoods and ​health of more than a billion people, according to a new report by the U.N.’s ‌food and weather agencies.

The United Nations Food and Agriculture Organization (FAO) and the World Meteorological Organization (WMO) said heatwaves are becoming more frequent, intense and prolonged, damaging crops, livestock, fisheries and forests.