Energy 23 hours ago Chicago city buildings now solely running on renewable energy City-operated buildings in Chicago are now operating fully on renewable energy. NBC Chicago’s Kate Chappell reports. Local 2:10 Bodycam video released in killing of on-duty Oak Park police detective 2:02 Would congestion pricing work in Chicago? A look after it takes effect in New York City 2:33 Suburban man, friend of Jimmy Carter helped plan president's funeral 2:21 Fire conditions expected to continue near Los Angeles as blazes continue to burn 2:46 Deadly wildfires bring destruction to several Los Angeles-area neighborhoods