The Hopi tribe is taking on an Arizona ski resort over its use of artificial snow: 'People compare it to baptizing a baby with reclaimed water.'
In a surprising study, scientists say everyday chemicals now rival cars as a source of air pollution
An environmental group says that Pennsylvania's gas drilling industry is releasing much more methane into the atmosphere than the state is reporting.
As federal environmental action lags, states are "filling in the gaps," according to a new analysis. More than one hundred state policies tackling toxics will be considered in 2018.
Low levels of oil and gas production chemicals cause abnormal mammary glands and pre-cancerous lesions in female mice