Just days before the one-year anniversary of the violent tornado that tore through North St. Louis, more than 600 health care and sustainability leaders gathered in St. Louis for a national conference focused on climate resilience, disaster preparedness and the future of environmentally sustainable health care. The conference, CleanMed 2026, was held May 12-14 and hosted by Health Care Without Harm and Practice Greenhealth. Organizers said St. L…