The Bureau of Land Management (the federal agency that manages large areas of public land) had put about 1.7 million acres of land in eastern Montana off-limits to coal mining, as part of an effort to cut greenhouse gas emissions. This resolution cancels that decision, meaning that land would once again be open for companies to potentially lease and mine for coal. This affects people living near that land in Montana, coal companies interested in mining there, and more broadly anyone concerned with how much coal gets produced and burned in the future.