Australians are used to ‘conditioning’ the air they breathe. Have been for decades. And their attention…

Australians are used to ‘conditioning’ the air they breathe. Have been for decades. And their attention shifted to clean as well as cool/warm air, well before Covid, because of bushfires. Clean air for Covid taps into something we were already doing. https://t.co/Kb9fsHyeml https://t.co/MFc7SU4X1M