Drilling in the large reserves of trapped natural gas in the east coast has kept gas prices, along with related exchange traded funds (ETFs), suppressed, but the cheap gas may mean a cleaner source for power generation. However, amid health and environmental concerns, one city is banning further drilling.

The Pittsburgh Pennsylvania city council recently voted unanimously to ban any drilling of natural gas within the city limits, writes Marie C. Baca for ProPublica. Mayor Luke Ravenstahl could veto the bill, in which case six council votes would be needed to override him. The bill was originally passed nine to zero. [Cool Weather Could Heat Up Natural Gas ETFs.]

Drillers use a technique called hydraulic fracturing, or “fracking,” on the Marcellus Shale, a gas-rich rock formation that has attracted energy producers to eastern United States, but studies have shown that fracking could cause “the deposition of toxins into the air, soil, water, environment and the bodies of residents,” according to the ordinance. [Which Way Is Up for Natural Gas ETFs?]

The Deutsche Bank believes that the shale gas boom could reduce greenhouse gas emissions if Congress does not pass a broad climate legislation, reports Timothy Gardner for Reuters. However, with a Republican majority in the House of Representatives, Congress is not expected to pass broad measures on renewable energy and climate.

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