This story was originally published by Grist and is reproduced here as part of the Climate Desk collaboration. The Inflation Reduction Act, the 2021 US climate law abbreviated IRA, primarily reduces emissions through financial incentives, rather than binding rules. But in addition to all its well-known carrots, lawmakers quietly included a smaller number of sticks—particularly when it comes to the potent greenhouse gas methane, which has proven to be a pesky source of increasing climate pollution with each passing year.