Stories by ProPublica

The state warns that fracking for natural gas might be contaminating aquifers used as a source for drinking water

In Ohio, where gas drilling is booming and toxic waste abundant, legislators have acted modestly to address concerns about public safety

The more than 6,000 active gas wells in Pennsylvania generate scores of complaints each week, many about terrible odors and contaminated water

The health implications of hydraulic fracking for natural gas remain understudied, however, some findings point to birth defects and low birth-weight babies

A flow restrictor on liquid medicine bottles could prevent accidental ingestions, but drugmakers have yet to promise or deliver such protection on many pediatric medicines

GlaxoSmithKline, which makes Advair for asthma, Lovaza for high triglyceride levels and the diabetes drug Avandia, is under pressure facing all drug companies for greater transparency in payments to doctors, a provision of Obamacare

FEMA missed chances to make changes that could have protected city dwellers from some of the worst of Sandy’s destruction

An updated estimate says it could be at least 210,000 patients a year, more than twice the number in a frequently quoted Institute of Medicine report

A new report finds poisonous arsenic contamination in Texas occurring in close proximity to natural gas extraction

It's still unclear if the National Security Agency has been collecting all Americans' phone and other records, and for how long

Updated flood insurance maps, made with LiDAR, laser radar or new computer programs, are increasingly important with global warming

Seven different agencies regulate fertilizer plants in Texas, but none has authority over how close they are to homes and schools

A recently exposed case of the agency's handling of drugs that reached the market in spite of fraudulent studies is no anomaly. The agency's response mirrors how it handled an earlier instance of scientific misconduct at another contract research organization

The FDA in 2011 announced years' worth of studies from a major drug research lab were potentially worthless, but it has not pulled any of the compounds from the market nor identified them

Aquifer exemptions give industry permission to pollute underground freshwater reservoirs

The nation's aging oil pipelines are roughly 70 times safer than trucks when it comes to transporting fuel. But when a pipeline does fail, the consequences can be catastrophic

The growing number of wells used to dispose of wastewater from fracking are subject to lax oversight

The Obama administration has retained the structure of Medicare and made moves to keep it afloat, whereas a Romney-Ryan administration proposes an overhaul and a voucher system to purchase insurance in a new private marketplace

Leaking injection wells may pose a risk--and the science has not kept pace with the growing glut of wastewater

Some experts are concerned about the potential loss of these reforms, including more reporting of hospital mistakes and incentives for providers to improve care

North Dakota has helped reduce U.S. oil imports but must grapple with millions of gallons of wastewater

Government officials and security researchers say critical systems should never be connected to the Internet, but they frequently are

A substantial number of risky devices are cleared for medical use without clinical testing, including some hip implants, surgical mesh, heart valve rings and defibrillator leads

A series of letters suggests the agency will be watching closely as states in the Northeast and Midwest embrace new drilling technologies to tap vast reserves of shale gas