Both traditional and unconventional oil and gas extraction operations create wastewater, which must be disposed of properly. One common disposal option is injecting the wastewater back into the ground, which can lead to increased seismicity. Credit: Ficelloguy, CC BY-SA 3.0

Both traditional and unconventional oil and gas extraction operations create wastewater, which must be disposed of properly. One common disposal option is injecting the wastewater back into the ground, which can lead to increased seismicity. Credit: Ficelloguy, CC BY-SA 3.0

Both traditional and unconventional oil and gas extraction operations create wastewater, which must be disposed of properly. One common disposal option is injecting the wastewater back into the ground, which can lead to increased seismicity. Credit: Ficelloguy, CC BY-SA 3.0

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Alka Tripathy-Lang, PhD

Alka Tripathy-Lang is a freelance science writer based in Chandler, Arizona, and holds a Ph.D. in geoscience.
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