Today, the 5th Circuit Court of Appeals dismissed for lack of standing claims by a number of states challenging the Biden Administration’s Interim Estimates of the Social Cost of Carbon. 
The Court had telegraphed this outcome last spring when it vacated a District Court injunction against use of the Interim Estimates, noting that:
The Government Defendants are likely to succeed on the merits because the Plaintiff States lack standing.… More
The Fifth Circuit has stayed an order blocking Biden administration use of the “Interim Estimates” of the social cost of greenhouse gases. The Court did not leave much doubt that the administration will prevail on the merits.
Issuance of a stay is based on criteria very similar to those regarding entry of an injunction. The two most important are the likelihood of success on the merits and whether the person requesting the stay will suffer irreparable harm if a stay is not granted. … More