As __________rises in __________countries, standards of __________improve and meat consumption is expected to __________, placing __________on the sustainability of world food __________.

__________problems such as soil __________, air __________, global __________, waterlogging of the soil and siltation of __________systems will also work against increasing for instance Chinese farm yields.

The __________is that because __________contains more than 20% of the world’s population, this could create global food __________and drive __________the price of food around the world, leaving __________of poorer people __________.

Another factor affecting sustainability of __________isthe increasing __________that food is transported.