Freight rail workers had threatened to strike Friday. The unions were unhappy about a policy that penalizes workers who take unscheduled time off, including for medical needs.

Members of one union are rejecting a tentative deal with the largest U.S. freight railroads while three other unions remained at the bargaining table just days ahead of a national strike deadline. A strike, which could begin Friday, would intensify snarls in the nation's supply chain that have contributed to rising prices.

Underground trains are incredibly susceptible to flooding from climate-driven extreme rain and sea level rise. Cities around the world are racing to adapt their transit systems.

Proposed Georgia rail route would stretch from Savannah, through Atlanta and northward to Nashville.

Last week, the U.S. Supreme Court declined to hear a case against the R.J. Reynolds Tobacco Company, alleging the company discriminates against older...