Temperatures recorded by Thursday lunchtime included 44.9C at Tarcoola in SA, 45.8C at Hopetoun airport in Victoria, 43.7C at Paraburdoo, WA and 43C at Hay, NSW ...
How might we prevent sea-level rise? Satellite-based radar, solar-powered drones, robot submarines and lab-based 'artificial glaciers' could all play a role ...