This bill, named the "Making Reviews Certain Act," aims to streamline environmental reviews under the National Environmental Policy Act (NEPA) by clarifying and limiting the scope of agency analysis. It mandates that federal agencies preparing environmental documents are only required to consider effects that share a reasonably close causal relationship to, and are proximately caused by , the immediate project or action under consideration. This change narrows the range of indirect or cumulative impacts that agencies must assess, thereby potentially accelerating project approvals. The legislation also introduces significant limitations on judicial review of environmental documents specifically for energy infrastructure projects. It imposes a strict 180-day deadline for filing claims and requires challengers to have submitted a substantive public comment and demonstrate direct harm. Furthermore, courts are restricted from vacating final agency actions unless a significant risk of proximate and substantial environmental harm is proven, allowing projects to proceed even if environmental documents are remanded for corrections.