DOE News
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    The DOE Science News Source is a Newswise initiative to promote research news from the Office of Science of the DOE to the public and news media.
    • 2014-08-04 10:00:00
    • Article ID: 621517

    Drilling in the Dark: Biological Impacts of Fracking Still Largely Unknown

    As production of shale gas soars, the industry's effects on nature and wildlife remain largely unexplored, according to a study by a group of conservation biologists published in Frontiers in Ecology and the Environment on Aug. 1.

    The report emphasizes the need to determine the environmental impact of chemical contamination from spills, well-casing failure, and other accidents.

    "We know very little about how shale gas production is affecting plants and wildlife," says author Sara Souther, a conservation fellow in the Department of Botany at the University of Wisconsin-Madison. "And in particular, there is a lack of accessible and reliable information on spills, wastewater disposal and the chemistry of fracturing fluids. Of the 24 U.S. states with active shale gas reservoirs, only five maintain public records of spills and accidents."

    The 800 percent increase in U.S. shale gas production between 2007 and 2012 is largely due to the use of hydraulic fracturing. Also called fracking, the process uses high-pressure injection of water, laden with sand and a variety of chemicals, to open cracks in the gas reservoir so natural gas can flow to the well. A similar technique is used for extracting oil from "tight" geologic formations.

    The chemical makeup of fracturing fluid and wastewater, which can include carcinogens and radioactive substances, is often unknown. The authors reviewed chemical disclosure statements for 150 wells in three top gas-producing states and found that, on average, two out of three wells were fractured with at least one undisclosed chemical.

    Pressured by growing concern about pollution to groundwater and surface water, government and the industry have made some steps toward openness, Souther acknowledges, but she says more progress is needed.

    “The Pennsylvania Department of Environmental Protection’s website is one of the nation's best sources of publicly available information on spills of fracking fluid, wastewater, and other contaminants. Even so, gas companies failed to report over one third of spills in the last year,” she says. “How many more unreported spills occurred, but were not detected during well inspections? We need accurate data on the release of fracturing chemicals into the environment before we can understand impacts to plants and animals.”

    One of the greatest threats to animal and plant life identified in the study is the cumulative impact of rapid, widespread shale development, with each individual well contributing collectively to air, water, noise and light pollution.

    “The past has taught us that environmental impacts of large-scale development and resource extraction, whether coal plants, large dams or biofuel monocultures, are more than the sum of their parts,” notes Morgan Tingley, a researcher from University of Connecticut. “We can’t let shale development outpace our understanding of its environmental impacts.”

    “If you look down on a heavily fracked landscape," Souther says, "you see a web of well pads, access roads, and pipelines creating islands out of what was, in some cases, continuous habitat. What are the combined effects of numerous wells and their supporting infrastructure on wide-ranging or sensitive species, like the pronghorn antelope or the hellbender salamander?

    “I am from West Virginia, which is underlain by one of the largest shale gas reservoirs in the U.S. However, this industry doesn’t just impact gas-producing states. Here in Wisconsin, shale development is affecting areas that supply sand for use in hydraulic fracturing."

    The study looked broadly at what is known — and what is not — about the conservation impacts of fracking. “Some of the wells in the chemical disclosure registry were fractured with fluid containing 20 or more undisclosed chemicals,” says co-author Kimberly Terrell, a researcher at the Smithsonian Conservation Biology Institute. “This is an arbitrary and inconsistent standard of chemical disclosure.”

    With shale gas production projected to increase exponentially over the next 30 years, the authors hope the study will guide the application of limited scientific resources to the most important questions, and enhance cooperation among scientists, industry and policymakers to minimize damage to the natural world.

    The authors are all David H. Smith Conservation Research Fellows, a project established by the Cedar Tree Foundation and the Society for Conservation Biology. Souther has been a research fellow at UW-Madison for three years. In September, she will begin a professorship at West Virginia Wesleyan College in West Virginia.

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    A Challenging Future for Tropical Forests

    Mortality rates of moist tropical forests are on the rise due to environmental drivers and related mechanisms.

    Stronger, lighter, greener

    A new award-winning magnet technology invented at the U.S. Department of Energy's Argonne National Laboratory could help drive the nation's transition from gas-powered vehicles to electric and hybrid power more rapidly, at lower cost, and in a more environmentally friendly way.

    Science Up-Close: Developing a Cookbook for Efficient Fusion Energy

    To develop a future fusion reactor, scientists need to understand how and why plasma in fusion experiments moves into a "high-confinement mode" where particles and heat can't escape. Scientists at the Department of Energy's Princeton Plasma Physics Laboratory simulated the transition into that mode starting from the most basic physics principles.

    Peering into the Mist: How Water Vapor Changes Metal at the Atomic Level

    New insights into molecular-level processes could help prevent corrosion and improve catalytic conversion.

    Neutron science publications reach new highs at ORNL's flagship facilities

    The High Flux Isotope Reactor and the Spallation Neutron Source at the Department of Energy's Oak Ridge National Laboratory have reached new levels of increased science productivity. In 2018, a record high of more than 500 scientific instrument publications were produced between HFIR and SNS--based on neutron beamline experiments conducted by more than 1,200 US and international researchers who used the world-leading facilities.

    Fiery sighting: A new physics of eruptions that damage fusion experiments

    Feature describes first direct sighting of a trigger for bursts of heat that can disrupt fusion reactions.

    Microbial Types May Prove Key to Gas Releases from Thawing Permafrost

    Scientists discover key types of microbes that degrade organic matter and release carbon dioxide and methane into the atmosphere.

    An effect that Einstein helped discover 100 years ago offers new insight into a puzzling magnetic phenomenon

    Experiments at the Department of Energy's SLAC National Accelerator Laboratory have seen for the first time what happens when magnetic materials are demagnetized at ultrafast speeds of millionths of a billionth of a second: The atoms on the surface of the material move, much like the iron bar did. The work, done at SLAC's Linac Coherent Light Source (LCLS) X-ray laser, was published in Nature earlier this month.

    Found: A precise method for determining how waves and particles affect fusion reactions

    Like surfers catching ocean waves, particles within plasma can ride waves oscillating through the plasma during fusion energy experiments. Now a team of physicists led by PPPL has devised a faster method to determine how much this interaction contributes to efficiency loss in tokamaks.

    Discovery adapts natural membrane to make hydrogen fuel from water

    In a recent study from the U.S. Department of Energy's (DOE) Argonne National Laboratory, scientists have combined two membrane-bound protein complexes to perform a complete conversion of water molecules to hydrogen and oxygen.


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    Argonne scientist elected as SAE Fellow

    Scientist Michael Wang from the U.S. Department of Energy's (DOE) Argonne National Laboratory was recently inducted as a Fellow of the professional engineering organization SAE (Society of Automotive Engineers). The organization reserves this prestigious grade of membership for thosewho have made significant contributions to mobility technology and have demonstrated leadership in their field.

    Top 10 Discoveries of 2018

    Every year, the U.S. Department of Energy's (DOE) Brookhaven National Laboratory compiles a list of the biggest advances made by the Lab's staff scientists, engineers, and visiting researchers. From uncovering mysteries of the universe to building better batteries, here, in no particular order, are our picks for the top 10 discoveries of 2018.

    U.S. Department of Energy Announces $33 Million for Small Business Research and Development Grants

    The U.S. Department of Energy announced it will award 189 grants totaling $33 million to 149 small businesses in 32 states.

    DOE to Provide $16 Million for New Research into Atmospheric and Terrestrial Processes

    The U.S. Department of Energy (DOE) announced a plan to provide $16 million for new observational research aimed at improving the accuracy of today's climate and earth system models.

    Machine learning award powers Argonne leadership in engine design

    When attempting to design engines to be more fuel-efficient and emissions-free, automotive manufacturers have to take into account all the complexity inherent in the combustion process.

    ORNL partners with industry to address multiple nuclear technology challenges

    The Department of Energy's Oak Ridge National Laboratory is collaborating with industry on six new projects focused on advancing commercial nuclear energy technologies that offer potential improvements to current nuclear reactors and move new reactor designs closer to deployment.

    Lithium earns honors for three physicists working to bring the energy that powers the sun to Earth

    Feature describes research of three PPPL physicists who have won the laboratory's 2018 outstanding research awards

    DOE approves technical plan and cost estimate to upgrade Argonne facility; Project will create X-rays that illuminate the atomic scale, in 3D

    The U.S. Department of Energy has approved the technical scope, cost estimate and plan of work for an upgrade of the Advanced Photon Source, a major storage-ring X-ray source at Argonne.

    Costas Soukoulis elected to National Academy of Inventors

    Costas Soukoulis, Ames Laboratory senior scientist and Iowa State University Frances M. Craig Endowed Chair and Distinguished Professor, has been named as a 2018 National Academy of Inventors (NAI) Fellow.

    Biophysicist F. William Studier Elected Fellow of the National Academy of Inventors

    F. William Studier, a Senior Biophysicist Emeritus at the U.S. Department of Energy's Brookhaven National Laboratory and Adjunct Professor of Biochemistry at Stony Brook University, has been elected as a Fellow of the National Academy of Inventors (NAI). He is among 148 renowned academic inventors being recognized by NAI for 2018.


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    Observing Clouds in Four Dimensions

    Six cameras are revolutionizing observations of shallow cumulus clouds.

    A Challenging Future for Tropical Forests

    Mortality rates of moist tropical forests are on the rise due to environmental drivers and related mechanisms.

    Rapid Lake Draining on Ice Sheets Changes How Water Moves in Unexpected Ways

    Widespread fracturing during lake drainage triggers vertical shafts to form that affect the Greenland Ice Sheet.

    New Historical Emissions Trends Estimated with the Community Emissions Data System

    The data system will allow for more detailed, consistent, and up-to-date global emissions trends that will aid in understanding aerosol effects.

    Peering into the Mist: How Water Vapor Changes Metal at the Atomic Level

    New insights into molecular-level processes could help prevent corrosion and improve catalytic conversion.

    Microbial Types May Prove Key to Gas Releases from Thawing Permafrost

    Scientists discover key types of microbes that degrade organic matter and release carbon dioxide and methane into the atmosphere.

    New Method Knocks Out Yeast Genes with Single-Point Precision

    Researchers can precisely study how different genes affect key properties in a yeast used industrially to produce fuel and chemicals.

    How Plants Regulate Sugar Deposition in Cell Walls

    Identified genes involved in plant cell wall polysaccharide production and restructuring could aid in engineering bioenergy crops.

    Scientists Identify Gene Cluster in Budding Yeasts with Major Implications for Renewable Energy

    How yeast partition carbon into a metabolite may offer insights into boosting production for biofuels.

    More Designer Peptides, More Possibilities

    A combined experimental and modeling approach contributes to understanding small proteins with potential use in industrial, therapeutic applications.


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