Tag ozone
Sort by: Newest   | Oldest

Northern China ozone pollution getting worse: study

Ozone rose throughout the region, with concentrations up 40 percent or more in 10 northern cities from 2014 to 2017.

HFC greenhouse gases: a factfile

Hydrofluorocarbon (HFC) gases are set to be phased out under a historic international deal that experts say could do a huge amount to curb global warming.
 
go to top