Billions of people still breathe unhealthy air: new WHO data Over 6000 cities now monitor air quality 4 April 2022 News

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Billions of people still breathe unhealthy air: new WHO dataOver 6000 cities now monitor air quality 4 April 2022 News releaseGeneva, Switzerland record number of over 6000 cities in 117countries are now monitoring air quality, but the people living inthem are still breathing unhealthy levels of fine particulatematter and nitrogen dioxide, with people in low and middle-incomecountries suffering the highest exposures. A number of governmentsare taking steps to improve air quality, but the World HealthOrganization is calling for a rapid intensification of actions to:support the transition to the exclusive use of clean householdenergy for cooking, heating and lighting; build safe and affordablepublic transport systems and pedestrian- and cycle-friendlynetworks; and reduce agricultural waste incineration, forest firesand certain agro-
QUESTIONSa) Identify ONE secondary air pollutant associated with thetransportsector and describe ONE practice that could be used to reduce oreliminateits production. [1.5 marks]b) Describe ONE practice that could be used on farms to reducetheproduction of particulates caused by the incineration ofagricultural waste.[1 mark]c) Explain whether thermal inversion would increase or decreasetheeffects of air pollution. Please provide a description of thermalinversion inyour response. [2 marks]