How our cities work – essential lessons from lockdown: By Matt Wade New research on the demographics of essential workers in Australia’s largest cities casts a stark light on geographic and gender inequalities, writes Matt Wade for the Sydney Morning Herald. Essential workers are employed “across health and social services, education, freight and delivery, transport, police and emergency services, logistics, construction and some retail,” and make up 45% of the workforce in Australian capital cities. They are exposed to greater risk of contracting Covid-19 in their workplaces, and through travelling to work. According to a study by consultancy SGS Economics and Planning, most essential workers in Sydney and Melbourne live in outer metropolitan growth areas where housing is more affordable – these regions also recorded a high share of infections …