For
long agriculture has been a laggard, growing at the Hindu rate
of 2 per cent or even zero in really bad years when there has
even been a decline compared to the previous year's farm output.
Air
travel is the preserve of a mere 5 per cent of the world's population,
but this tiny minority's behaviour affects the poorest- who
will probably never fly. Aviation has enormous repercussions
on climate change.