Source: China – South China Morning PostA Chinese-led international study has found a link between strong El Niño events and rises in levels in China of the air pollutant ozone.The study, published last month in the quarterly, peer-reviewed journal Environmental Research Letters, found that the climate phenomenon ENSO, or El Niño-Southern Oscillation, was a crucial factor in ozone variation.Apart from particulate matter, near-surface ozone is the biggest air pollutant in the country and high levels are harmful to human health and…Read More