4 Sep 2019, 20:01 UTC · By: Elena Gorgan / Figures reveal the highest values for toxic tropospheric ozone, which can cause serious health issues. Concentrations are expected to rise at 1% per year
30 Apr 2014, 18:13 UTC · By: Mihnea Radu / The American Lung Association (ALA) released Wednesday its annual pollution rankings. The so called "State of Air 2014" report suggests Los Angeles is the worst place to live if you plans ...