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.
Traffic bans imposed by Mexico City authorities to reverse an upsurge of smog have cost residents and small businesses more than $300 million since April, a trade association said Tuesday.
Mexico City officials issued a new air pollution alert, meaning that 40 percent of vehicles will be banned on Tuesday, while industries will be required to cut emissions.
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 ...
Mexican officials lifted a four-day air pollution alert in the nation's densely-populated capital after ozone levels dropped to acceptable levels.
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 ...
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.
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 ...
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.
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.