Kerosene combustion in aircraft
engines emits carbon dioxide (CO2) and water vapor,
accounting for more than 3 per cent of global carbon
dioxide emissions (Noble, 1999a). Scientists at the
international ozone conference in Buenos Aires estimated
in 1998 that air pollution from aircraft is
increasing at three times the previously predicted
rates. This will add greenhouse gases over the next
20 years that could entirely negate the 5.2 per cent
reductions that developed countries agreed to at the
Kyoto Conference in 1997.