Legal entity
Last mentioned: Mar 20, 2026
Entity pulse
Coverage balance Negative coverage leads. Negative coverage exceeds positive coverage by 50 percentage points.
Figures are computed live from our source-verified story record — see our methodology for how impact and sentiment are derived.
regulation is the sole category represented across all 4 tracked stories. Clean Air Act is most often covered alongside Environmental Protection Agency, which appears in 3 of these 4 stories. They are better corroborated than the beat average, carrying 7.3 original sources each against 3.5 for the same window. Across a 102-day span, the pace is roughly 0.3 stories per week. The busiest single day carried 2. At 7.3, the average consequence score sits above the same-window beat average of 6.5. This profile follows 4 Legal stories mentioning Clean Air Act across the period from March 19, 2026 to June 28, 2026.
Computed from the 4 stories linked to this entity, with beat comparisons drawn from all 519 Legal stories published in the same date window. Shares are omitted below five stories and comparisons below a twenty-story baseline.
Coverage cohort
Other entities that clear the same relevance threshold in stories also covering Clean Air Act. Shared-story counts are live from our verified record — not editorial picks.
23-State Lawsuit Filed
States launch legal challenge against the Trump EPA's rescission efforts.
State Coalition Lawsuit
24 states and 10 cities file a major challenge in the D.C. Circuit Court.
First Legal Challenge
Public health and environmental groups file the first lawsuit against the repeal.
EPA Revokes Finding
The Trump administration formally terminates the 2009 endangerment finding.
EPA Finalizes Repeal
The Trump administration EPA finalizes the rule revoking the 2009 finding.
Vehicle Standards Implemented
Federal rules limiting greenhouse gas tailpipe emissions for 2012-2027 models take effect.
Endangerment Finding Issued
EPA officially determines GHGs pose a threat to public welfare.
Massachusetts v. EPA
Supreme Court rules EPA has authority to regulate GHGs if they endanger health.
The Justice Department’s unprecedented intervention in a citizen suit against Elon Musk’s xAI targets the Clean Air Act’s private enforcement mechanism, arguing executive primacy and state jurisdiction, a case with major implications for environmental law and the balance of powers.
A coalition of 24 states and 10 cities has filed a lawsuit against the EPA to challenge the repeal of the 2009 endangerment finding, which identified greenhouse gases as a public health threat. This legal battle represents a critical juncture for U.S. environmental policy, as the repeal threatens the foundational legal basis for regulating emissions from vehicles and power plants.
Source: Associated Press (zm) · Matthew Daly (us)
A coalition of 23 states and 14 cities has filed a major lawsuit against the EPA to block the Trump administration's repeal of the 2009 endangerment finding. The legal challenge argues that the revocation violates the Clean Air Act and ignores established climate science to benefit the fossil fuel industry.
Source: Thehindu · Daniel Bush (gb)
A coalition of 23 states has filed a major lawsuit against the Environmental Protection Agency to prevent the rescission of the 2009 Endangerment Finding. The legal challenge argues that the administration's attempts to decouple greenhouse gas emissions from public health threats violate the Clean Air Act and ignore decades of established climate science.
Clean Air Act is linked from 4 stories on this site, each scored at or above our 35% relevance threshold — see how these pages are built.
See something wrong on this page — a misattributed entity, a wrong stat, a broken source link? Report a data issue.
