President Biden, vowing to restore environmental protections frayed over the past four years, has ordered the review of more than 100 rules and regulations on air, water, public lands, endangered species and climate change that were weakened or rolled back by his predecessor. But legal experts warn that it could take two to three years — and in some cases, most of Mr. Biden’s term — to put many of the old rules back in place. “People should temper their expectations about what can be done quickly,” said Kevin Minoli, who served as a lawyer at the Environmental Protection Agency in the Clinton, Bush, Obama and Trump administrations. He added, “It’s very possible, more possible than not, that some of the Trump rules will still be in effect for a couple of years.” Mr. Biden has an array of legal tools to reinstate environmental protections that were […]