AusAlert will deliver emergency warnings to all – but they must actually be accessible

National Emergency Management Agency Next Monday, millions of people in Australia will feel their phones buzz with a message and hear a loud, siren-like warning. It’s a preview of how the country plans to warn its population when the next bushfire, flood or cyclone comes down. The system is AusAlert, Australia’s most significant overhaul of disaster warning infrastructure in a generation. AusAlert uses “cell broadcast” technology, sending a signal from the phone tower itself to every compatible…