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Berkeley Earth, a research organization in California revealed that outdoor air pollution causes death of an estimated 1.6 million people in China every year. Now another study has shown that China is exporting its air pollution.
According to the study titled, ‘Rapid Increases in Tropospheric Ozone Production and Export from China’, progress dynamic unhealthy gas within the western US has been mostly undone by pollution floating across the Pacific from China.
Scientists since long have suspected that this can possibly justify why gas levels on the United States’ geographical area remained constant despite a big native reduction in ozone-forming chemicals.
Lead researcher Willem Verstraeten of the Royal Netherlands Meteorological Institute in an article published by straitstimes.com cited that the westerly winds blew this air pollution straight across to the United States.
And this pollution can cause severe health issues, damage crops, and is an important source of greenhouse gases. The study further mentioned that the rapid population growth and industrialization have driven substantial increases in Asian ozone precursor emissions over the past decade, with highly uncertain impacts on regional and global tropospheric ozone levels.
The research was interpreted through Aura satellite measurements of tropospheric concentrations of ozone and its precursor NO2, along with its largest natural source, stratospheric ozone, using the TM5 global chemistry-transport model.
“We show that tropospheric ozone concentrations over China have increased by about 7% between 2005 and 2010 in response to two factors: a rise in Chinese emissions by about 21% and increased downward transport of stratospheric ozone”, study cited.
