The White House says the cost of inaction outweighs the cost of implementing more-stringent regulations on greenhouse gas emissions.
It's hard not to worry about heart problems when running hard in hot weather. But heatstroke is a far bigger health risk, researchers say. Marathon organizers are trying to make races safer.
Former security czar Zhou Yongkang is accused of "serious disciplinary violation," which often implies that criminal corruption charges will follow.