![david colgan](https://www.ioes.ucla.edu/wp-content/uploads/2016/09/David-Colgan.jpg)
IoES Director of Communications David Colgan in Los Angeles Magazine: For L.A.’s Jet Setters, Semiprivate Flights Are Taking Off
Some Angelenos are waving goodbye to flying commercial and opting for luxe—and sometimes surprisingly cheap—semiprivate flights. But traveling this way has a greater environmental impact, says David Colgan from the Institute of the Environment and Sustainability at UCLA. “If it’s two smaller jets filled to the brim versus one half-full 737, the two jets will likely emit more pollution.”