Many Americans left behind in the quest for cleaner air

By Jim Morris, Chris Hamby and Elizabeth Lucas

Secret government 'watch list' reveals failure to curb dangerous emissions

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Methodology

By Elizabeth Lucas, Robert Benincasa and David Donald

Why Americans still breathe known hazards decades after ‘clean air’ law

By Jim Morris and Corbin Hiar

Where regulators failed, citizens took action — testing their own air

By Elizabeth Shogren, Kristen Lombardi and Sandra Bartlett

Q&A: Former Bush official touts ‘market-based’ air toxics regulation

By Corbin Hiar

Excerpts from this story referencing "Karen Howe":

"… R.“Living with that plant was a complete nightmare,” said tribe member Karen Howe. “The dust came into your home. … I tried to get the kids a couple of …"

Community coated in black mist — until citizens fought back

By Ronnie Greene and Howard Berkes

Regulators stymied unless they could witness 'fugitive' emissions

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Mercury falling: Groundbreaking power plant emissions rule imminent

By Corbin Hiar

EPA wants to limit pollution from tall smokestacks

By Laurel Adams

Environmentalists decry 'irresponsible' lobbying by coal-burning utilities

By Alice Su

EPA releases long-awaited power plant air toxics rule

By Corbin Hiar

Excerpts from this story referencing "Karen Howe":

"… own hands.“Living with that plant was a complete nightmare,” said Karen Howe, who was among the lead plaintiffs in the Ponca Tribe’s lawsuit.When How …"