A University of Louisville study found that more than 1 in 3 U.S. adults had liver disease.
Keep America Beautiful affiliates will use the funds to encourage plastic beverage bottle recycling.
PDG Land Development had proposed to dump rocks removed in the mining of Hays Woods, one of Pittsburgh's largest intact green spaces, into the valleys.
The Council on Foreign Relations says prudent greenhouse gas regulations can still allow for robust development of the Canadian oil sands.
Lux Research says no emerging technology provides blanket protection against the multitude of suspected pollutants.
Residents may not be aware of bans on fluorescent lamp disposal in nine states.
Chemical production, processing, and use are closely tied to economic development.
Commentary
Engineer asks why consumer waste is not treated onsite.