S. 5409, Environmental Protection Restoration. Quorum's AI analysis reads it as a net benefit — and names who gains.
S. 5409 · Net good
What it does
This bill directs the EPA to reinstate environmental protections that were rolled back since January 2025, including rules on greenhouse gas emissions from power plants and vehicles, methane pollution, mercury standards, and air quality. It requires the EPA to base decisions on peer-reviewed science, restore the social cost of carbon in climate calculations, rebuild environmental justice programs, and maintain enforcement funding—with a private right of action allowing citizens to sue if the EPA fails to comply.
The analysis names renewable energy and clean technology companies (benefiting from stricter fossil-fuel emissions stan — and 2 more groups — among the beneficiaries.
The trade-off
The bill's reinstatement of the 'social cost of carbon' at $190/metric ton (2% discount rate) will significantly increase the estimated economic cost of greenhouse gas emissions in future EPA rulemakings, potentially blocking or delaying projects that rely on lower carbon valuations.
Transparency scores 85%, with a medium warning level and no provisions unrelated to the bill's subject.
Who is behind it
Filed by Sheldon Whitehouse. Cosponsored by Jeff Merkley and Ron Wyden.
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