Although air travel accounts for less than two per cent of the emissions that contribute to global warming, the aviation industry is doing its part to protect the environment.

That’s according to the Secretary General of the International Civil Aviation Organization (ICAO), Dr Liu Fang.

The aviation industry recently announced that from 2020, it will offset or balance any increases in carbon dioxide emissions by planting trees or through other “clean energy” projects.

Hao Cheng caught up with Dr Liu on the margins of the recent UN conference on sustainable urban development, known as Habitat III, held in Quito, Ecuador.

The ICAO chief outlined some of the “innovative measures” happening in air transportation that address global environmental concerns.

Duration: 4'05"