Use of deicing agents may sometimes raise sodium levels in drinking water beyond healthy limits for people on salt-restricted diets.
Pennsylvania
More Gas Wells Linked to More Symptoms in Pennsylvania Residents
Natural gas production has been booming in southwestern Pennsylvania, but it may also yield multiple health complaints, especially for residents surrounded by oil and gas facilities.
In Pennsylvania, Methane Emissions Higher Than EPA Estimates
Although methane emission estimates from underground coal production appear to be accurate, the calculated emissions from natural gas production are underreported.
Despite Stalled Regulations, U.S. Mercury Emissions Decline
Newly published measurements made downwind of West Virginia, Pennsylvania, and Ohio coal-burning plants reveal steep, unexpected drops in atmospheric mercury concentrations since 2006.