Noise or CO2

Every major decision is a compromise; in the sense you need to select one thing and forgo another.

A good example is the recent Qantas decision:

The airline yesterday announced it would cease its trial of flying over the north Queensland city from Monday, bowing to pressure from residents concerned about the increase in aircraft noise.
“The most fuel-efficient flight path may decrease carbon dioxide emissions but increase the number of people exposed to aircraft noise, as has been the case in Cairns.


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