Mexico City lifts air pollution alert
Mexican officials lifted a four-day air pollution alert in the nation's densely-populated capital after ozone levels dropped to acceptable levels.
Mexican officials lifted a four-day air pollution alert in the nation's densely-populated capital after ozone levels dropped to acceptable levels.
Environment
Mar 18, 2016
0
20
For those living with the threat to life and property from wildfires, Colorado State University scientists have some more bad news: Wildfire smoke seems to elevate levels of ozone, a nasty air pollutant with proven adverse ...
Environment
Jan 25, 2016
0
295
A class of widely used chemical coolants known as hydrofluorocarbons (HFC) contributes to ozone depletion by a small but measurable amount, countering a decades-old assumption, according to a new NASA study.
Earth Sciences
Oct 23, 2015
0
62
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
0
11
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
1
278
The race to meet carbon-neutral biofuel targets could put human health and food crop production at risk unless it is carefully planned, according to new research.
Environment
Jul 29, 2015
0
13
A tougher federal standard for ozone pollution, under consideration to improve public health, would ramp up the importance of scientific measurements and models, according to a new commentary published in the June 5 edition ...
Environment
Jun 4, 2015
6
25
Researchers at the University of Houston have determined that climate change - in the form of a stronger sea breeze, the result of warmer soil temperatures - contributed to the drop in high-ozone days in the Houston area.
Environment
May 14, 2015
20
661
(Phys.org) —A team of research conservationists with members from several universities in the U.S. is suggesting in a paper they've had published in Proceedings of the National Academy of Sciences, that urban areas could ...
In one year, India's ozone pollution damaged millions of tons of the country's major crops, causing losses of more than a billion dollars and destroying enough food to feed tens of millions of people living below the poverty ...
Environment
Sep 4, 2014
9
0