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Gas Drilling’s Environmental Threat

Vast deposits of natural gas have brought a drilling boom across much of the country, but the technique being used, called hydraulic fracturing, is suspected of causing hundreds of cases of water contamination. Now environmentalists and lawmakers are pushing for closer oversight of the gas industry, which is pushing back.

EPA Concludes Fracking a Threat to U.S. Water Supplies

Federal Report Appears to Undercut EPA Assurances on Water Safety In Pennsylvania

Progress and Controversy Arrive With New Rules for Fracking on Public Lands

New York State Bans Fracking

New York's Gas Rush Poses Environmental Threat

New York State of Fracking: A ProPublica Explainer

California Halts Injection of Fracking Waste, Warning it May Be Contaminating Aquifers

Aggressive Tactic on the Fracking Front

In Fracking Hotbed, a Muted Approach to Regulation

In Fracking Fight, a Worry About How Best to Measure Health Threats

Chesapeake Energy’s $5 Billion Shuffle

Drilling for Certainty: The Latest in Fracking Health Studies

Unfair Share: How Oil and Gas Drillers Avoid Paying Royalties

New Study Finds High Levels of Arsenic in Groundwater Near Fracking Sites

EPA’s Abandoned Wyoming Fracking Study One Retreat of Many

Another Layer to Rendell’s Fracking Connections

More Than a Matter of Opinion: Ed Rendell’s Plea for Fracking Fails to Disclose Industry Ties

Land Grab Cheats North Dakota Tribes Out of $1 Billion, Suits Allege

Update: State Oil and Gas Regulators Still Spread Thin

New Study: Fluids From Marcellus Shale Likely Seeping Into PA Drinking Water

The New ‘Dallas’: Sex, Scandal and U.S. Energy Policy!

North Dakota’s Oil Boom Brings Damage Along With Prosperity

New Study Predicts Frack Fluids Can Migrate to Aquifers Within Years

ALEC and ExxonMobil Push Loopholes in Fracking Chemical Disclosure Rules

Four Big Takeaways From This Week’s Fracking Talk

The Best Watchdog Journalism On Fracking

So, Is Dimock’s Water Really Safe to Drink?

What the Frack is in That Water?

What the Frack is in That Water?

New York Court Affirms Towns’ Powers to Ban Fracking

Federal Rules to Disclose Fracking Chemicals Could Come with Exceptions

From Gung-Ho to Uh-Oh: Charting the Government’s Moves on Fracking

From Gung-Ho to Uh-Oh: Charting the Government’s Moves on Fracking

Years After Evidence of Fracking Contamination, EPA to Supply Drinking Water to Homes in Pa. Town

EPA Sees Risks to Water, Workers In New York Fracking Rules

Fracking Cracks the Public Consciousness in 2011

Oh, Canada's Become a Home for Record Fracking

Feds Link Water Contamination to Fracking for the First Time

Energy Dept. Panel Warns of Environmental Toll of Current Gas Drilling Practices

EPA Finds Compound Used in Fracking in Wyoming Aquifer

EPA Plans to Issue Rules Covering Fracking Wastewater

Doctors Ask New York to Study Health Impacts Before Allowing Fracking

Pennsylvania Governor Proposes Fee on Gas Drillers

Science Lags as Health Problems Emerge Near Gas Fields

Who Are America’s Top 10 Gas Drillers?

Report for Obama Questions Effectiveness of Gas Drilling Regulations

N.Y. Enviro Commissioner Expects Little From EPA Fracking Study

Does an Old EPA Fracking Study Provide Proof of Contamination?

EPA Proposes New Rules on Emissions Released by Fracking

State Fracking Rules Could Allow Drilling Near New York City Water Supply Tunnels

Lawsuits Predicted as New York Towns Ponder Whether to Block Fracking

New York Proposes Permanent Ban on Fracking Near Watershed and State Land

Oil and Gas Drilling Surges Despite Increased Oversight

EPA Fracking Study to Focus on Five States—But Not Wyoming

Critics Find Gaps in State Laws to Disclose Hydrofracking Chemicals

Exxon Ad Makes Gas Drilling Seem Simpler—and Safer—Than It Really Is

Forced Pooling: When Landowners Can't Say No to Drilling

PA Officials Issue Largest Fine Ever to Gas Driller

Gas Drilling Companies Hold Data Needed by Researchers to Assess Risk to Water Quality

Fracking: The Music Video

Scientific Study Links Flammable Drinking Water to Fracking

PA Oil and Gas Inspectors Free to Issue Violations Without Approval From Top, Enviro Chief Says

Response to Pa. Gas Well Accident Took 13 Hours Despite State Plan for Quick Action

Natural Gas Drilling Is at a Crucial Turning Point

PA Senate Confirms Controversial Job Czar Nominee

More Reasons to Question Whether Gas Is Cleaner Than Coal

Pa.’s New Jobs Czar Fought Enviro Regs for Years

Deteriorating Oil and Gas Wells Threaten Drinking Water, Homes Across the Country

Pennsylvania Limits Authority of Oil and Gas Inspectors

PA Governor Gives Energy Executive Supreme Authority Over Environmental Permitting

Former Bush EPA Official Says Fracking Exemption Went Too Far; Congress Should Revisit

Natural Gas Drilling Debate Heats Up: Read Our Guide

Hydrofracked? One Man's Mystery Leads to a Backlash Against Natural Gas Drilling

John Hanger, PA's Former Environmental Chief, Talks About Challenges of Keeping Gas Drilling Safe

EPA Wants to Look at Full Lifecycle of Fracking in New Study

Anatomy of a Gas Well: What Happened When a Well Was Drilled in a National Forest

Many PA Gas Wells Go Unreported for Months

Drilling Industry Says Diesel Use Was Legal

Clearing the Air on ProPublica’s Drilling Pollution Story

In Symbolic Move, Philadelphia Calls for Gas Drilling Ban

Climate Benefits of Natural Gas May Be Overstated

As Pennsylvania Implements New Wastewater Rules, Some State Waterways Still Face Problems

Opponents to Fracking Disclosure Take Big Money From Industry

Pennsylvania’s Governor-Elect Nominates Insiders for Top Environmental Posts

Pennsylvania's Drilling Wastewater Released to Streams, Some Unaccounted For

Regulation and Disclosure of Fracking at the Center of Gas Drilling Debate

Residents Divided About PA's Agreement With Gas Drilling Company Over Water Contamination

Executive Order Suspending Fracking Brings Little Change

Some Appointees to Oil and Gas Commission Are Industry Execs, Lobbyists

Beyond Fracking: Experts Challenge Safety of Exploratory Wells, Vertical Drilling

NY Assembly Approves Hydraulic Fracturing Moratorium

Pittsburgh Bans Natural Gas Drilling

Halliburton’s Stonewalling Works in Pa., but Sparks Subpoena at EPA

Interview: Former NY Environmental Commissioner Pete Grannis on Gas Drilling

Science Says Methane in PA. Water Is from Drilling, Not Natural Causes

Two Companies Seek Trade Secret Status for Fracking Fluids in Wyoming

Leaked Memo Depicts Bare-Bones Regulatory Environment for NY Gas Drilling

Wyoming Fracking Rules Would Disclose Drilling Chemicals

Do 'Environmental Extremists' Pose Criminal Threat to Gas Drilling?

Feds Warn Residents Near Wyoming Gas Drilling Sites Not to Drink Their Water

What You Need to Know About Hydrofracking

Drilling Industry and Gubernatorial Candidates Move to Weaken Some State Regulations

New York Senate Passes Temporary Ban on Hydraulic Fracturing

Why Gas Leaks Matter in the Hydraulic Fracturing Debate

Drilling Accountability Bill Would Regulate Fracturing Too

Information From Gas-Drilling Companies Isn't Coming Easily, Congressmen Say

Drilling Company Says It Will List Hazardous Chemicals Used in Fracking

For Gas-Drilling Data, There’s a New Place to Dig

A Fracking First in Pennsylvania: Cattle Quarantine

Gas Drilling: The Story So Far

Broad Scope of EPA’s Fracturing Study Raises Ire of Gas Industry

EPA Launches National Study of Hydraulic Fracturing

Gas Drillers Plead Guilty to Felony Dumping Violations

Congress Launches Investigation Into Gas Drilling Practices

Stimulus Speed Chart

Natural Gas Drilling: What We Don't Know

State Oil and Gas Regulators Are Spread Too Thin to Do Their Jobs

Drilling Wastewater Disposal Options in N.Y. Report Have Problems of Their Own

In New Gas Wells, More Drilling Chemicals Remain Underground

New York City Calls for Drilling Ban in Watershed, Rejects State Study

Colorado Towns Take Extra Measures to Protect Their Water From Gas Drilling

Underused Drilling Practices Could Avoid Pollution

Pa. Residents Sue Gas Driller for Contamination, Health Concerns

New Yorkers Tell State Enviro Department: 'No Fracking Way'

Congress Tells EPA to Study Hydraulic Fracturing

Is New York's Marcellus Shale Too Hot to Handle?

Pennsylvania Tells Drilling Company to Clean Up Its Act

Public Gets More Time to Comment on New York’s Gas Drilling Plans

Does Chesapeake’s No-Drilling Pledge Do Enough to Protect NYC’s Watershed?

Feisty Audience Tackles Natural Gas Drilling Report

Company Won't Drill in NYC Watershed

New York City Hints at Anti-Drilling Stance

New York Drilling Study a Step Forward

Gas Drilling Vs. Drinking Water: New York City Consultant's Report Sets Stage for Fight With Albany

With Natural Gas Drilling Boom, Pennsylvania Faces an Onslaught of Wastewater

Gas Execs Call for Disclosure of Chemicals Used in Hydraulic Fracturing

New York State Paves Way for Gas Drilling With Release of Environmental Review

Pennsylvania Orders Cabot Oil and Gas to Stop Fracturing in Troubled County

DEP Issues Citation to Pennsylvania Driller as a Third Spill Occurs

Frack Fluid Spill in Dimock Contaminates Stream, Killing Fish

EPA: Chemicals Found in Wyo. Drinking Water Might Be From Fracking

More Gas Contamination Affects Pennsylvania Residents

Water Problems From Drilling Are More Frequent Than PA Officials Said

Inhofe Defends Hydraulic Fracturing on Senate Floor

Democrats Call for Studies as Industry Assails Proposals to Regulate Hydraulic Fracturing

Energy Industry Sways Congress With Misleading Data

FRAC Act -- Congress Introduces Twin Bills to Control Drilling and Protect Drinking Water

Industry Defends Federal Loophole for Drilling Before Packed Congressional Hearing

Natural Gas Drilling Debate Heats Up

Natural Gas Politics

EPA Administrator Forecasts Potential Shift on Bush-Era Drilling Loophole

16 Cattle Drop Dead Near Mysterious Fluid at Gas Drilling Site

Officials in Three States Pin Water Woes on Gas Drilling

Anatomy of a Gas Well

Colorado Study Links Methane in Water to Drilling

Setting the Record Straight on Hydraulic Fracturing

Where Things Stand: Environmental Pitfalls of Drilling for Natural Gas in the U.S.

How the West's Energy Boom Could Threaten Drinking Water for 1 in 12 Americans

NYC: Gas Drilling Will Raise the Cost of Water by 30 Percent

NYC Wants Consultants to Probe Effect of Gas Drilling on Drinking Water

New Mexico Battles Feds to Stop Gas Drilling Near an Aquifer

A Reporter's Journey Through the Gas Fields

Buried Secrets: Is Natural Gas Drilling Endangering U.S. Water Supplies?

What Is Hydraulic Fracturing?

N.Y. Plans to Consider Law Limiting Natural Gas Drilling

Fractured Relations -- New York City Sees Drilling as Threat to Its Water Supply

Despite New York's Order for Environmental Review, Gas Drilling May Proceed

Governor Signs Drilling Bill But Orders Environmental Update

New York State Tightens Drilling Controls