Background
At global level, air passengers generate 0.82 kg to 2.5 kg of waste, depending on distance and flight class, with an average of 1.43 kg (IATA, 2014). According to the Airports Council International (ACI), there were about 6.3 billion plane passengers worldwide in 2013, which equates to an annual estimate of 9 billion kg of waste.
To date, mos ...