Ballooning risk
The thick brown haze largely seen in the South Asian skies is spreading to newer areas like the Gulf region. V Ramanathan, a scientist at the Scripps Institution of Oceanography, University of California, usa, revealed that the West Asian region, too, is being sucked into the global pollution circuit moving several kilometres above the ground.
The haze is a cocktail of ash, aerosols and black soot that results mainly from diesel, dirty coal and biomass burning (see: