Timothy Hatton, 03 April 2017

There is growing concern about the long-term health effects of atmospheric pollution. Conditions were much worse a century ago in Western countries, when coal-fired industrialisation reached its zenith, than they are now in countries where pollution presents the greatest challenges today. This column highlights the effect of polluted air on adult heights using a sample of British army soldiers in WWI. Pollution accounts for a difference of almost an inch between the average adult heights in least and most polluted localities.