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Heatwaves have been responsible for more human deaths than any other natural hazard, including bushfires, storms and floods.
Temps are set to ratchet up on Wednesday.
Barcroft Media via Getty Images
Saturday's going to be a scorcher
It's 33 degrees in London. In Darwin that's called winter.
The more coal we burn, the more heatwaves and bushfires we'll get.
'We have never seen this in NSW.'
Bureau of Meteorology
Koalas are looking for relief from the heat.
There is no relief in sight.
It's enough to keep you up at night.
Fairfax: Elesa Kurtz
Be nice to Sydney people today. You have been warned.
Homes under threat in face of near 40 degree temperatures.
Get smart inside when it's scorching.