After three of Earth’s hottest days ever measured, the United Nations called for a flurry of efforts to try to reduce the human toll from soaring and searing temperatures, calling it “an extreme heat epidemic.”

UN asks nations to better prepare as ‘extreme heat epidemic’ breaks records

After three of Earth’s hottest days ever measured, the United Nations called for a flurry of efforts to try to reduce the human toll from soaring and searing temperatures, calling it “an extreme heat epidemic.”