Australia’s major cities have long relied on large dams as their main source of water. These dams, including Warragamba, are household names in their own cities. Some cities are blessed with good quality catchment areas, most notably Sydney, while others, including Brisbane, have catchments compromised by agricultural pursuits and very little green space in their...

Why did Melbourne keep its trams, especially during the 1950s and 1960s when other Australian capital cities, the major cities in New Zealand, the UK and Ireland, and most US and Canadian cities didn’t? Melbourne now has the largest tramway system in the world, as measured by route length, though not by passenger numbers. This...