A researcher found ticks with the bacteria that causes Lyme disease in Pittsburgh's parks. He says there's a risk of getting the disease at any urban or suburban park in the region.
The brain-harming metal is discharged directly into the river or carried to it on air currents. Some argue authorities are doing too little to stop both routes of pollution.
An Obama-era rule has already reduced toxic air pollution like mercury from coal-fired power plants. So why did the EPA roll it back now? In a word, co-benefits.
This new book outlines how industry efforts to defend their products have clouded trust in science and impacted regulations for things like beryllium, opiods and diesel exhaust.
Pennsylvania’s one million private wells are not regulated. A new investigation in Lancaster shows 62% of wells sampled found bacteria or high nitrate levels.
