Decades ago Mexico City's air pollution was so poor, birds would fall out of the sky—dead. Locals said living there was like smoking two packs of cigarettes a day, according to one report. In response, Mexico City took ...
Environment
Feb 2, 2017
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214
Many Chinese cities are suffering from deteriorating environmental quality—particularly due to air pollution that contributes to fog and haze. Air pollutant levels now far exceed "safe" limits established by the European ...
Energy & Green Tech
Nov 15, 2016
7
10
As Indians awoke Monday to smoke-filled skies from a weekend of festival fireworks, New Delhi's worst season for air pollution began—with dire consequences.
Environment
Oct 31, 2016
5
716
Residents of China's megacities who post comments about air quality to social media can give environmental scientists a window into pollution levels there.
Environment
Sep 26, 2016
0
18
The Earth passed another unfortunate milestone May 23 when carbon dioxide (CO2) surpassed 400 parts per million (ppm) at the South Pole for the first time in 4 million years.
Environment
Jun 17, 2016
55
487
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
Climate change projections that look ahead one or two centuries show a rapid rise in temperature and sea level, but say little about the longer picture. Today (Feb. 8, 2016), a study published in Nature Climate Change looks ...
Earth Sciences
Feb 8, 2016
36
76
(Phys.org)—A team of researchers from institutions in Germany and Saudi Arabia has found that pollution levels over several major cities in the Middle East are dropping and have concluded that it is due to economic and ...
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
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
