The IRA was the biggest climate bill ever. It was also a marketing flop

When Dustin Mulvaney teaches a class in environmental law at a California university, he always asks a simple question: Who’s heard of the Inflation Reduction Act? Over the last three years, he says, only around 10 students out of hundreds have raised their hands.

His students aren’t alone. When the IRA passed in 2022, it was the largest climate investment in American history. But while climate nerds may know the law well, most people know little about what it includes. In one survey last year...