Regulatory Tracker

Our Regulatory Tracker explains the Biden administration’s steps to advance clean energy deployment and environmental protection, and provides an up-to-date and concise summary of both regulatory and litigation actions. The table below links you to pages that describe the significance and history of each rule, including the Trump-era rollback efforts. We work to update each page on the actions of the Biden administration and any related litigation. You can find our Federal Environmental Justice Tracker here.

We have paused or stopped updating many of the rules we were tracking under the Trump administration; you can find them here. If you have questions about our trackers, please email us.

Thank you to our HLS tracker research assistants!

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Tracker Entries

Rule
Agencies
Status
Last Updated

RuleAir Transport – Cross-State Air Pollution Rule/Good Neighbor Rule, Section 126 Petitions, and Section 184 Ozone Transportation Commission Petition

AgenciesEPA

Status

EPA published final Good Neighbor Plan Rule

Last Updated08/18/2023

RuleArctic National Wildlife Refuge – Oil and Gas Development

AgenciesDOI, USFWS

Status

Coastal Plain Oil and Gas Program activities suspended, litigation ongoing

Last Updated08/07/2023

RuleBristol Bay Pebble Mine

AgenciesEPA, USACE

Status

Final Determination issued Jan. 30, 2023

Last Updated07/28/2023

RuleMountain Valley Pipeline

AgenciesFERC

Status

SCOTUS vacates Fourth Circuit's Stay Orders

Last Updated07/27/2023

RuleNational Ambient Air Quality Standards (NAAQS) for Ozone

AgenciesEPA

Status

CASAC reviews EPA's Policy Assessment

Last Updated07/23/2023

RuleNational Ambient Air Quality Standards (NAAQS) for Particulate Matter (PM)

AgenciesEPA

Status

WHEJAC recommends lowering PM2.5 NAAQS

Last Updated07/23/2023

RuleEnbridge Line 5 and the Great Lakes Tunnel Project

AgenciesUSACE

Status

Litigation Ongoing

Last Updated07/23/2023

RulePower Plant Startup, Shutdown, and Malfunction Rule

AgenciesEPA

Status

EPA defending reinstated 2015 policy

Last Updated07/21/2023

RuleOnce In Always In Guidance for Major Sources under the Clean Air Act

AgenciesEPA

Status

EPA reviewing rule

Last Updated07/17/2023

RuleMercury and Air Toxics Standards

AgenciesEPA

Status

Pre-publication version of Final Rule issued

Last Updated07/13/2023

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