Ozone pollution isn’t just a summer story anymore. In parts of northern China, high ozone levels are now appearing during ...

Nature - Ozone, the hydroxyl radical ... such molecules are free radicals that form from the reaction of ozone with alkenes, and are known to react with sulphur dioxide 4.

Figure 1 | Oxidative cleavage of alkenes without ozone. a, In the classic ozonolysis reaction, alkenes are cleaved across the carbon–carbon double bond by ozone (O 3) to produce carbonyl ...

Researchers have identified a surprising phenomenon: severe winter ozone (O₃) pollution in Lanzhou, China, primarily caused by alkene emissions from local petrochemical industries.

NEW DELHI: Severe wintertime ozone (O3) pollution may be driven by alkene emissions from local petrochemical industries, and can be detrimental to human health, finds a study. Researchers from the ...

In rare good news for the planet, the hole in the Earth’s ozone layer is on track to recover completely within decades as harmfule chemicals are phased out, according to a new UN-backed assessment.

Researchers from the Hong Kong Polytechnic University, alongside mainland collaborators, have uncovered an unexpected phenomenon: severe wintertime ozone (O₃) pollution in Lanzhou, China, driven ...

BEIJING -- Chinese researchers have revealed that increases in methane emissions could have an unexpected positive impact on future ozone recovery, shedding new light on climate governance.

The recovery of the ozone layer — which sits miles above the Earth and protects the planet from ultraviolet radiation — has long been celebrated as one of the world’s greatest environmental ...

Despite CFC ban, ozone hole won't heal until 2070, NASA finds. The area of the ozone hole, such as in October (above), is one way to view the ozone hole from year to year.

Ground-level ozone concerns prompt air quality alert in Minnesota 01:33. The Minnesota Pollution Control Agency says ozone is the main concern that is triggering an air quality alert on Monday.