WASHINGTON — Dr. Anthony S. Fauci, who has repeatedly brushed off speculation that he would retire, says he has a time frame in mind for the end of his long government career. But those who are eager for him to go may have to wait a while: His plan is to leave by January 2025, the end of President Biden’s current term.In recent months, the will-he-or-won’t-he-step-down conversation has dogged the 81-year-old Dr. Fauci — perhaps the best-known doctor in America. The issue comes and goes in direct proportion to how much Republicans are attacking the man who has been the…

The United Nations secretary general, António Guterres, issued a dire warning on Monday to representatives from 40 countries at the Petersberg Climate Dialogue, calling for more concrete action to tackle what he called a “climate emergency.”“We have a choice,” Mr. Guterres said in a video message. “Collective action or collective suicide. It is in our hands.”Mr. Guterres did not directly address the heat wave punishing much of Europe, but his comments came as swaths of the continent faced dangerously high temperatures on Monday, spurring wildfires in some areas.Wales reached its highest temperature on record on Monday, 37.1 degrees Celsius (98.8…

Ambulance crews in Oklahoma’s largest cities are grappling with a surge in heat-related health emergencies as daily highs continue to top 100 degrees across much of the state.In Tulsa, Emergency Medical Services Authority, the state’s largest ambulance provider, has responded to 84 heat-related illness calls and taken 55 patients to hospitals since July 1, when the third heat alert of the year was issued for the city. In Oklahoma City, since a heat alert on July 7, the agency has responded to 59 calls, with 42 patients taken to hospitals.Nearly all of the hospitalized patients in both cities were treated…