AAP: Cities may need “cool refuges” as climate change brings heat waves and the risk of mass casualties, engineers warn. They’ve raised the prospect of vulnerable people – including the elderly and the sick – heading into air-conditioned shopping malls to survive, possibly at night. The Australian Academy of Technological Sciences and Engineering (ATSE), a body of engineers and scientists, released a plan on Tuesday to climate-proof the country’s cities. The report cautions …