Washington (AFP) – US President Joe Biden will announce Wednesday a series of executive measures to combat climate change, in an effort to push forward an environmental agenda stalled by an unsupportive Congress and a conservative Supreme Court. Biden — who will deliver his address from a former coal power plant in Massachusetts — will make clear that time is running out to tackle global warming, highlighted by a devastating heatwave in Europe that has sparked fires, melted runways and spelled misery for millions. But he will stop short of declaring a formal emergency, which would grant him …