Guardian: Tis the season of harvest festivals and farmers are celebrating another bumper crop. British farmers have this year twice smashed the record for the worlds highest-yielding wheat crop ever recorded, first in the Lincolnshire Wolds and then on a farm overlooking Holy Island in Northumberland.
Squeezing ever-higher yields from the same fields is one reason why the famous theories of Thomas Malthus, the cleric who predicted catastrophic famine and disease as population growth outstripped food production,...