In early 2013, the Chinese government declared a war on air pollution and began instituting stringent policies to regulate the emissions of fine particulate matter, a pollutant known as PM 2.5. Cities restricted the number ...
Environment
Jan 2, 2019
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190
In China, people breathe air thick with the lung-damaging pollutant ozone two to six times more often than people in the United States, Europe, Japan, or South Korea, according to a new assessment. By one metric—total number ...
Environment
Aug 29, 2018
0
28
After decades of progress in cleaning up air quality, U.S. improvements for two key air pollutants have slowed significantly in recent years, new research concludes. The unexpected finding indicates that it may be more difficult ...
Environment
Apr 30, 2018
0
43
Although ozone pollution is dropping across many parts of the United States, western Europe and Japan, many people living in those countries still experience more than a dozen days every year in which levels of the lung irritant ...
Environment
Feb 5, 2018
0
82
Scientists at the University of York's Stockholm Environment Institute (SEI) have released new figures showing long-term exposure to ozone air pollution is linked to one million premature deaths per year due to respiratory ...
Environment
Aug 31, 2017
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333
In a groundbreaking study released today, scientists at the South Coast Air Quality Management District and the University of Southern California have found that widespread installation of certain "cool roof" materials in ...
Environment
Aug 7, 2017
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51
High levels of surface ozone are damaging rice yields at an alarming rate in China, the world's largest agricultural producer and one of its most polluted nations, report researchers at the University of California, Davis, ...
Ecology
Mar 14, 2017
0
21
An influx of pollution from Asia in the western United States and more frequent heat waves in the eastern U.S. are responsible for the persistence of smog in these regions over the past quarter century despite laws curtailing ...
Environment
Mar 1, 2017
1
104
If emission rates continue unchecked, regions of the United States could experience between three and nine additional days per year of unhealthy ozone levels by 2050, according to a new study from the Harvard John A. Paulson ...
Environment
Apr 21, 2016
0
9
Environmental scientists at the University of Virginia have found that surface ozone, an abundant chemical known to be toxic to many species of vegetation and to humans, does not necessarily inhibit the productivity of natural ...
Environment
Feb 25, 2016
0
23
