Cross-Sector entity
Every one of those 11 sits in a single category, regulation. Donald Trump is the most frequent co-covered peer, appearing in 7 of the 11 tracked stories. That works out to roughly 0.7 stories per week across a 112-day span. The busiest single day carried 4.
11 verified stories tracked
Last mentioned: Mar 20, 2026
Entity pulse
Coverage balance Negative coverage leads. Negative coverage exceeds positive coverage by 28 percentage points.
Figures are computed live from our source-verified story record — see our methodology for how impact and sentiment are derived.
Every one of those 11 sits in a single category, regulation. Donald Trump is the most frequent co-covered peer, appearing in 7 of the 11 tracked stories. That works out to roughly 0.7 stories per week across a 112-day span. The busiest single day carried 4. 64% of these stories carry negative sentiment. This profile follows 11 Cross-Sector stories mentioning Clean Air Act across the period from March 9, 2026 to June 28, 2026. The tracked stories average 9.5 original sources each.
Computed from the 11 stories linked to this entity. Beat comparisons are omitted because no baseline was available for this window.
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.
The Trump administration EPA officially revokes the 2009 scientific finding.
Public health and environmental groups file the first lawsuit against the repeal.
24 states and 10 cities file a major challenge in the D.C. Circuit Court of Appeals.
23-State Lawsuit Filed
States launch legal challenge against the Trump EPA's rescission efforts.
States File Lawsuit
A coalition of states sues to block the repeal, alleging it violates the Clean Air Act.
State Coalition Lawsuit
24 states and 10 cities file a major challenge in the D.C. Circuit Court.
Repeal Announced
The Trump EPA formally moves to repeal the 2009 finding, citing a need for deregulation.
Public Outcry
Massive influx of public letters and editorials published in regional news outlets across the U.S.
RMP Revisions
EPA proposes rolling back Risk Management Program safety standards for industrial facilities.
Social Cost Revision
New guidelines set the economic value of human life and carbon mitigation to zero in cost-benefit models.
Endangerment Repeal
EPA formally rescinds the 2009 finding that GHGs threaten public health.
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 that six greenhouse gases threaten the health of current and future generations.
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.
For startups, xAI’s DOJ-assisted escape from an environmental lawsuit underscores how political capital can smooth regulatory paths for well-connected founders, reshaping risk calculations for deep tech ventures.
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.
The Trump administration’s move to dismiss a lawsuit over xAI’s unpermitted natural gas turbines highlights the growing tension between AI-driven energy demand, environmental justice, and climate policy rollbacks.
The Justice Department’s defense of xAI’s data center underscores the government’s “AI first” policy, overruling environmental concerns to safeguard what it calls essential infrastructure for national security and AI leadership.
A coalition of 24 states and 10 cities has filed a lawsuit against the EPA to block the repeal of the 2009 endangerment finding. The legal challenge seeks to restore the scientific foundation that allows the federal government to regulate greenhouse gas emissions under the Clean Air Act.
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 lawsuit against the EPA to overturn the Trump administration's repeal of the 2009 endangerment finding. The legal challenge seeks to restore the scientific foundation that mandates federal regulation of greenhouse gas emissions under the Clean Air Act.
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 U.S. states has filed a major lawsuit against the Environmental Protection Agency (EPA) following its decision to repeal the 2009 Endangerment Finding. The legal challenge seeks to preserve the scientific determination that greenhouse gases threaten public health, which serves as the mandatory legal trigger for federal climate regulations.
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.
The Environmental Protection Agency's recent repeal of the 2009 Greenhouse Gas Endangerment Finding has sparked widespread public outcry and a wave of litigation. This move effectively dismantles the legal foundation for federal climate regulation, signaling a radical shift in U.S. environmental policy.
