Authorities will plant 18 million trees in Mexico City and its surrounding suburbs as part of efforts to combat air pollution, the government said.
Environment
Jul 12, 2016
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Authorities announced on Tuesday new measures to combat a recent increase in air pollution in Mexico City, as officials reported an increase in related ailments such as asthma.
Environment
May 11, 2016
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24
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
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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
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23
Air pollution is playing a bigger role in changing global rainfall than previously thought, new research from the University of Reading suggests.
Earth Sciences
Jan 29, 2016
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22
The Environmental Protection Agency proposed tougher new limits on Tuesday on smokestack emissions from nearly two dozen states that burden downwind areas with air pollution from power plants they can't control.
Environment
Nov 17, 2015
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Levels of "background ozone"—ozone pollution present in a region but not originating from local, human-produced sources—are high enough in Northern California and Nevada that they leave little room for local ozone production ...
Environment
Sep 30, 2015
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11
The Environmental Protection Agency announced new rules Tuesday to reduce toxic air pollution from oil refineries by forcing operators to adopt new technology that better monitors and controls emissions.
Environment
Sep 29, 2015
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21
The current federal limit on smog-forming pollution linked to asthma and respiratory illness "is not adequate to protect the public health," a top U.S. environmental regulator said Tuesday.
Environment
Sep 29, 2015
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16
Progress slashing unhealthy ozone in the western United States has been largely undone by pollution wafting across the Pacific from China, according to a study published Monday.
Environment
Aug 10, 2015
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