Light pollution: The dark side of keeping the lights on

Twenty five years ago, Los Angeles experienced a massive power blackout due to an earthquake. The entire city was thrust into darkness. The emergency call service, 911, was inundated with panicked residents reporting "a giant ...

Scientists discover that charcoal traps ammonia pollution

Cornell University scientists Rachel Hestrin and Johannes Lehmann, along with collaborators from Canada and Australia, have shown that charcoal can mop up large quantities of nitrogen from the air pollutant ammonia, resulting ...

Arctic clouds highly sensitive to air pollution

In 1870, explorer Adolf Erik Nordenskiöld, trekking across the barren and remote ice cap of Greenland, saw something most people wouldn't expect in such an empty, inhospitable landscape: haze.

Public divides over environmental regulation and energy policy

A 54% majority of U.S. adults believe that "government regulations are necessary to encourage businesses and consumers to rely more on renewable energy sources," while 38% support the notion that "the private marketplace ...

Where the Jordan stops flowing

A new study conducted at Tel Aviv University and published in the journal Water Research argues that Israel's Jordan River may be a useful case study for the challenges facing stream restoration initiatives around the world. ...

China restricts cars, factories amid latest smog alert

China's capital and other northern cities have banned half of all vehicles from city streets and ordered factories, schools and construction sites closed in response to a five-day smog red alert.

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