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Citing health risks, New York State bans fracking

By Talia Buford

Health worries pervade North Texas fracking zone

By Jamie Smith Hopkins

Smoke, odors and drifting foam in Fort Worth suburb stir frustration over fracking

By Jamie Smith Hopkins

Plant expansions fueled by shale gas boom to boost greenhouse gas, toxic air emissions

By Talia Buford

Fired: Texas regulators say they tried to enforce rules, lost jobs

By David Hasemyer

Scientist with deep industry ties being considered for key EPA job

By David Heath

New battlefront for petrochemical industry: benzene and childhood leukemia

By Kristen Lombardi

A dozen dirty documents

By Kristen Lombardi and Jared Bennett

Benzene and worker cancers: 'An American tragedy'

By Kristen Lombardi

Internal documents reveal industry 'pattern of behavior' on toxic chemicals

By David Heath and Jim Morris

Years after black lung claim was wrongly denied, coal miner gets his due

By Chris Hamby

Five-state study finds high levels of airborne chemicals near oil and gas sites

By Jamie Smith Hopkins

Pennsylvania congressman launches frack waste investigation

By David Hasemyer and Zahra Hirji

How a coal miner's autopsy proved a top doctor wrong

By Chris Hamby

New air monitor planned for heavily fracked South Texas county

By Lisa Song and David Hasemyer