Some air cargo is lifesaving, however. Air freight is used to ship medical supplies and pharmaceuticals around the world. It played a major role in delivering vaccines during the pandemic, for example. It is also used during humanitarian disasters to deliver food, water and medicines. Finding alternatives for delivering time-sensitive medicines or urgent food supplies around the world would not be easy. "With more hurricanes, typhoons, and everything else caused by climate change [this] obviously isn't going to go away, it might become an increasing issue," says Cairns.
