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Houston Chronicle

A jar holding waste water from hydraulic fracturing is held up to the light at a recycling site in Midland, Texas. (AP Photo/Pat Sullivan)

Many chemicals used in Texas fracking remain a mystery

For the past five years, biochemist Zac Hildenbrand has investigated potential links between unconventional drilling and water quality, collecting thousands of samples throughout the major shale plays in Texas.
President Barack Obama arrives to speak on March 22, 2012 at the TransCanada Stillwater pipe yard in Cushing, Oklahoma. (AFP PHOTO/Mandel Ngan)

Gray Matters: Obama’s “keep-it-in-the-ground” logic fueled Keystone decision

Rice University professor Daniel Cohan says the Obama administration is playing a bigger game than the particulars surrounding the Keystone pipeline.
(Bob Owen/San Antonio Express News)

City makes deal with Reliant for more green power

The city is now working to negotiate a 12-month extension with Reliant, a subsidiary of Houston-based NRG Energy.
FlexGen solid state generator operating in the Permian Basin. FlexGen)

Startup seeks to power oil drillers with hybrid energy

A recent infusion of capital helped the company fill the demand for renting its turn-key hybrid power generators.
(AP Photo/Oded Balilty, File)

Texas one of 24 states suing Obama administration over clean power plan

The plan, details of which the U.S. Environmental Protection Agency finalized earlier this year, aims to dramatically reduce carbon emissions from electric-generating plants by 2030.
(AP Photo/Pat Sullivan, File)

Schlumberger reveals new plans for U.S. headquarters

The oil and gas company, currently based at 5599 San Felipe in Houston, plans to expand its existing offices in a southwest suburb.
U.S. Senator John Cornyn speaks to the audience at the GOP election night party in Austin on Tuesday, Nov. 4, 2014. (Kin Man Hui/San Antonio Express-News)

John Cornyn: For movement on crude oil exports, wait until next year

Sen. John Cornyn of Texas said the fall legislative session will likely be bogged down with spending and debt ceiling debates, but there are legislative efforts in the works to expand natural gas exports and lift a ban on shipping crude oil overseas.
In this photo taken May 10, 2015, a dead dolphin washes ashore in the Gulf of Mexico on Grand Isle, La. National Oceanic and Atmospheric Administration (NOAA) scientists stated in a report released, Wednesday, May 20, 2015, that there are links between BP's catastrophic 2010 oil spill and a spate of dolphin deaths since the spill. The study is part of a wide-ranging assessment of ecological damage caused by the spill. BP has rejected that contention and said necropsies of dolphins and "other information reveal there is no evidence" to make the link between the spill and dolphin deaths. (AP Photo/Cain Burdeau)

Researchers say BP oil spill contributes to dolphin illnesses, deaths

The latest findings mark an “important piece in the chain of evidence” linking an uptick in deaths since early 2010 to the BP oil rig disaster that spewed more than 200 million gallons of crude oil into the Gulf of Mexico, researchers said.
Texas Gov. Greg Abbott (Chris Kleponis/Bloomberg News)

Texas governor signs bill restricting local fracking regulations

Abbott’s signature is the culmination of a marker he set down in January, when he took aim at local regulations affecting not only fracking but tree cutting and plastic bags.
(Aaron M. Sprecher/Bloomberg)

KBR reports income up after restructuring that cut 1,000 jobs, 11 business segments

The company announced a major restructuring of the business last December that includes 1,000 job cuts and a reduction in business segments to five from 16 that it said will result in a $200 million annual cost reduction.