32 results
- Environment
Fracking doesn’t always go to great depths
Fracking at shallow depths is unexpectedly common in the United States and raises new concern for drinking water contamination.
- Environment
Fracking chemicals can alter mouse development
Hormone-disrupting chemicals used in fracking fluid cause developmental changes in mice, new experiments show.
- Environment
No water contamination found in Ohio’s fracking epicenter
Methane in Ohio groundwater comes from biological sources, such as bacteria, not fossil fuel exploration.
- Environment
More toxic chemicals found in oil and gas wastewater
High levels of ammonium and iodide found in wastewater from oil and gas exploration can harm aquatic life and form dangerous byproducts in tap water.
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- Earth
Fluid injection triggers earthquakes indirectly, study finds
An up-close look at artificially triggered quakes suggests that tremors start slow and smooth.
- Earth
Pumping carbon dioxide deep underground may trigger earthquakes
Injecting carbon dioxide deep underground offers a promising way to curb global warming, but the extra pressure may cause faults to slip or fractures to release the buried gas.
- Science & Society
Smell circuitry, stalled stem cells and more reader feedback
Readers discuss a journal's publishing practices, ask about the human sense of smell and weigh in on their favorite picks from our Top 25 stories of the year.
- Chemistry
High methane in drinking water near fracking sites
Well construction and geology may both play a role in pollution.
- Earth
Greenhouse gas injections may unleash earthquakes
Plans to pump carbon dioxide into the ground to mitigate climate change could create other problems.
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- Earth
The facts behind the frack
The gas, primarily methane, is cheap and relatively clean. Because America is brimful of the stuff, harvesting the fuel via fracking could provide the country jobs and reduce its dependence on foreign sources of energy.
