Soaring carbon pollution: Private jets as taxis for the ultra-wealthy

New research shows that people are using private jets more and more as taxis to travel increasingly short distances with statistics showing that many journeys cover distances of less than 50 kilometres. Such trips by private jets are up to 14 times more polluting per head than commercial flights and more than 50 times more polluting than trains. In Perspective, we spoke to Stefan Gössling, professor at Linnaeus University in Sweden.