Adapting to extreme heat takes more than changing the clock

As extreme heat makes afternoons more dangerous, schools, sports teams and outdoor employers are shifting when — and sometimes whether — people can safely be outside.Why it matters: Adapting to hotter conditions could reshape the American workday while putting a premium on the cooling and energy infrastructure people rely on when outdoor conditions become unsafe.State of play: The federal Occupational Safety and Health Administration recommends that employers facing dangerous heat consider moving work to early morning or late afternoon, shortening shifts, rotating workers and reducing strenuou