US President Joe Biden took office in January this year vowing to act big on climate change, but he faces a major hurdle in the fact that Congress may not authorise spending the trillions of dollars he wants to on modernising the nation’s infrastructure for a renewables-powered future, a key plank of his energy transition platform.

His administration’s broad-based climate action strategy is designed to place the US on an unwavering trajectory toward reaching net-zero greenhouse gas emissions by 2050, consistent with the Paris Agreement.