CaliforniahasthemostpollutedcitiesintheUnitedStates,areportissuedonWednesdaysaid,asPresidentDonaldTrump'sadministrationseekstoforcethestatetoweakenitsvehicleemi
TheozonelayerthatprotectslifeonEarthfromdeadlyultravioletradiationisunexpectedlydecliningabovetheplanet'smostpopulatedregions,accordingtoastudyreleasedTuesday.A
NASAsaidonThursdaythattheozoneholeoverAntarcticashranktoitssmallestpeaksince1988.ThehugeholeinEarth’sprotectiveozonelayerreacheditsmaximumthisyear–7.6millionsqu
TheBeijing-Tianjin-HebeiregionhasseennotableprogressintacklingPM2.5airpollutionafterfouryearsofanofficialcampaignbutitnowfacessevereozonepollution,accordingtoan
Exposure to ozone, a powerful greenhouse gas and a widespread air pollutant in many major cities, may cause cardiovascular diseases, such as heart attack, high blood pressure and stroke, according to a new study of Chinese adults.
Exposuretoozone,apowerfulgreenhousegasandawidespreadairpollutantinmanymajorcities,maycausecardiovasculardiseases,suchasheartattack,highbloodpressureandstroke,ac
Excessive ozone gas has become the prime pollution problem in Beijing in recent days, replacing the notorious PM2.5, and it's likely to linger for a couple of days, the capital's environmental monitoring authority said on Monday.
The ozone problem is worsening in major cities in Korea. Ozone is a harmful gas produced when nitrogen oxide from diesel exhaust reacts with ultraviolet rays.
New Zealand government scientists said Thursday that an international treaty to stop the use of ozone-depleting gases was still working despite a study showing new damage to the ozone layer in the Northern Hemisphere.
A United Nations report recognizing the role of the hole in the ozone layer over Antarctica is significant in understanding climate change in the Southern Hemisphere, a leading New Zealand government expert said Thursday.
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