# Joy Campbell

Type: Person

Source: Climate Intelligence Brief — https://getclimatebrief.com/entity/joy-campbell
Canonical HTML page: https://getclimatebrief.com/entity/joy-campbell

## Timeline

- **2026-03-20T00:25:25Z**:  — The Trump administration EPA officially revokes the 2009 scientific finding.
- **2026-03-20T00:25:25Z**:  — Public health and environmental groups file the first lawsuit against the repeal.
- **2026-03-20T00:25:25Z**:  — 24 states and 10 cities file a major challenge in the D.C. Circuit Court of Appeals.
- **2009-12-07**: Endangerment Finding Issued — The EPA determines greenhouse gases threaten public health, triggering Clean Air Act mandates.

## Recent coverage (1 stories)

### States Sue EPA Over Repeal of Landmark Climate 'Endangerment' Finding
2026-03-20 00:25:25 · Sentiment: Negative · Impact: 8/10 · Sources: 2

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.
Full story: https://getclimatebrief.com/story/states-sue-epa-endangerment-finding-repeal

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