Tips for better, cleaner fracking

The practice of hydraulic fracturing by oil and natural gas companies is expected to continue because of the U.S. energy boom, but companies must improve their practices to ease concerns from residents, writes Russell Gold. To make fracking safer, companies must plug methane leaks, improve groundwater testing and data-gathering before drilling and improve well integrity to avoid accidents, he writes. "The industry figured out how to extract abundant energy from the densest rocks imaginable. Now it has a chance to do something even more audacious: to show that it can provide that energy in a safe, clean way," Gold writes.

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