How dark is the night sky where you live? If you’re in an urban area, the answer will likely be “not dark at all”. The pervasiveness of artificial light – be it in the form of streetlamps, billboards, ...

Air pollution remains one of the most serious environmental and public health challenges facing the world today. From the exhaust fumes on busy highways to industrial emissions, wildfire smoke, and ...

New report estimates 3 million people die each year due to air pollution. — -- Over 90 percent of the world's population lives in areas with levels of air pollution that exceed the World Health ...

Congress has voted to undo a Clean Air Act regulation that strictly controls the amount of toxic air pollutants emitted by many industrial facilities like oil refineries, chemical plants, and steel ...

HOUSTON, Texas (KTRK) -- Houston is the so-called energy capital of the world, and our oil and gas refineries fuel part of the city's economy. EPA data shows three of those refineries are in trouble ...

With 12 million cars and motorbikes, a slew of transportation and urban development projects and outdated waste-treatment ...

Scientists are closing in on one of the most elusive culprits behind “forever chemical” pollution, tracing a major share of the contamination to specific industrial processes, consumer products and ...

In winter mornings in Delhi, the city often wakes up under a pall of grey. The skyline dissolves into haze, the sun appears dulled, and the air carries a faint, ...