Aerosol spread from Australian fires

Video: 00:00:20 Ferocious bushfires have been sweeping across Australia since September, fuelled by record-breaking temperatures, drought and wind. The country has always experienced fires, but this season has been horrific. A staggering 10 million hectares of land have been burned, at least 24 people have been killed and it has been reported that almost half a billion animals have perished. The fires have not only decimated the land, but they have also had a serious effect on air quality. The C...