The debate in Holyoke, Massachusetts, is not unique in the Northeast, where pipeline constraints are forcing decisions.
A letter signed by 77 local boards of health asks Gov. Charlie Baker to suspend new gas projects until after a review.
The potential for sinkholes could pose problems along interstate gas pipeline routes through northwest Ohio, warns a report submitted to federal regulators last month.
A video released by an environmental group this month raises questions about the safety of pipelines running beneath the Straits of Mackinac. Enbridge says the concerns are unwarranted.
Bulldozers have begun moving dirt to build a 600-mile pipeline across several Midwestern states that will carry crude oil from tar sands in Canada and North Dakota shale destined for refineries along the Gulf Coast.