3. The aviation target set by the industry itself if to maintain levels at 2005. If it joined everyone else to the 1990 level, it would force a halving of the present number of flights.
Says who? The industry is targeting a 50% reduction from 2005 levels by 2050, despite the growth that will (hopefully) occur between now and then.
They could probably do better than this, but they (we) are dependant on governments (for better air traffic management), manufacturers (for more efficient engines) and others (for biofuels).
Why is it Ford and GM that are to blame for the CO2 that cars produce, but it's BA and AA and the rest that are to blame for the CO2 that aeroplanes produce?