Is individual travel time so important that we should spend our limited environmental capital and build supersonic passenger jets? The Concorde was cool and se

Is individual travel time so important that we should spend our limited environmental capital and build supersonic passenger jets? The Concorde was cool and sexy and destructive. Today's passenger jets, much improved over past aircraft, are still destructive and damaging. * http://www.sciencemag.org/news/2016/11/average-us-family-destroys-football-fields-worth-arctic-sea-ice-every-30-years http://www.sciencemag.org/news/2016/11/average-us-family-des... *https://en.wikipedia.org/wiki/Environmental_impact_of_aviation https://en.wikipedia.org/wiki/Environmental_impact_of_aviati...