A top environmental official makes strong comments about protecting the city's water supply, but the Bloomberg administration isn't taking a firm stance yet.
New York's review of the environmental risks posed by natural gas production in the Marcellus Shale offers the clearest picture yet of the chemicals used in the drilling process called hydraulic fracturing.
A new review by a state agency proposes guidelines for hydraulic fracturing in the Marcellus Shale, but would not ban drilling within the New York City watershed.
Natural gas drilling is exempt from restrictions of the Safe Drinking Water Act, but congressional Democrats are working on legislation to change that.