Summary: <p>Headlines for July 28, 2023; As the U.N. Warns “The Era of Global Boiling Has Arrived,” Biden Resists Declaring a Climate Emergency; Texas Rep. Greg Casar on Why He Undertook “Thirst Strike” to Demand Heat Protections for Workers; Emmett Till’s Cousin, Rev. Wheeler Parker Jr., Welcomes New National Monument for Lynched Teenager</p>
