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Split view of clear and hazy days in Shenandoah National Park. (National Park Service)
Article October 5, 2015

EPA Must Do More for Clean Air in Parks

The Third Circuit orders the EPA to protect national parks from Pennsylvania air pollution.
document September 29, 2015

Court Opinion: Overturning Approval of Weak Haze Pollution Plan for Pennsylvania

On Petition for Review of Final Agency Action of the U.S. EPA (EPA-R03-OAR-2012-0002). The 3rd U.S. Circuit Court of Appeals overturns the EPA's approval of a Pennsylvania plan that failed…
Split view of clear and hazy days in Shenandoah National Park. (National Park Service)
Press Release: Victory September 29, 2015

Court Overturns Approval of Weak Haze Pollution Plan for Pennsylvania

Ruling called ‘a victory for clean air, clear skies, and the rule of law’
Split view of clear and hazy days in Shenandoah National Park. (National Park Service)
case June 30, 2014

Challenging Pennsylvania's Deficient Haze Plan

document June 30, 2014

Court Filing: Clean Air Groups Challenge Deficient Pennsylvania Haze Plan

Conservation groups filed a lawsuit today challenging the Environmental Protection Agency’s (EPA) approval of Pennsylvania’s deficient plan to reduce air pollution. The Commonwealth’s regional haze plan requires no emission reductions…
Split view of clear and hazy days in Shenandoah National Park. (National Park Service)
Press Release June 30, 2014

Clean Air Groups Challenge Deficient Pennsylvania Haze Plan

Plan risks public health and air quality in national parks and wilderness areas
Split view of clear and hazy days in Shenandoah National Park. (National Park Service)
Press Release April 30, 2014

In Response to Pressure from Clean Air Advocates, New Haze Plan Issued for Pennsylvania

Earthjustice will review regional plan to ensure it curbs emissions from coal-fired power plants
document October 30, 2013

Pennsylvania Haze Court Decision

Article October 30, 2013

Court Sends Pennsylvania Haze Rule Back to EPA

Agency has an April deadline to rework standard
document September 11, 2012

PA Haze Rule – Federal Petition

document September 11, 2012

PA Haze Rule – State Petition

Press Release September 11, 2012

Conservation Groups Challenge Weak Air Plan for Pennsylvania

Dirty air threatens public health, air quality in national parks and wilderness areas