Topics from July 2021 Why are children more susceptible to air pollution? Posted by Keshav Jain on Friday, July 16. 2021 What is PM 2.5? Posted by Keshav Jain on Friday, July 16. 2021 Which pollutant was classified by the World Health Organisation in 2013 as the cause of lung cancer? Posted by Keshav Jain on Friday, July 16. 2021 Which global health issue is caused chiefly by ambient air pollution? Posted by Keshav Jain on Friday, July 16. 2021