The first picture has clear skies and distinct ... does it make any sense to track changes in visible distance and draw conclusions about air pollution? Not really. The pertinent change is not ...

Spiten said the data collected so far indicates traffic is a major source of air pollution. “It seems pretty clear that traffic volume is a pretty good surrogate marker for air pollution,” he ...

“Until now, we didn’t have a clear picture of the possible links between the two, but this work suggests the benefits of controlling air pollution could be twofold: Not only will it reduce the ...

NEW DELHI (AP) — Authorities in India’s capital shut schools, halted construction and banned non-essential trucks from entering the city on Monday after air pollution shot up to its worst ...

Before President Nixon created the EPA in 1970, water and air pollution weren't federally ... By 1974, they had taken 81,000 photos. The National Archives digitized nearly 16,000 and made them ...

Climate change is transforming air ... pollution days in Western states., even as environmental regulations help to clean up traditional sources of contaminants nationally. That’s the picture ...

But this can be a misleading picture. Indoor air pollution killed more than 3 million ... five steps to expose them The authors are right to draw attention to something that has been neglected ...

Over the last week, even as pollution levels in New Delhi and much of North India rushed past levels anywhere else in the world, government-run air quality monitors only showed scores of up to 500 ...