As your till receipts will testify, the cost of food has climbed alarmingly of late. And it looks as if higher bills are here to stay, not just for years, but for decades. A series of global factors – climate change, a growing world population, shortage of oil, market speculation and a weak pound – are combining to drive up the price of food. The underlying trend is that food prices will continue to rise in real terms for the next 30 years. So we have moved into a period when food become a much more significant item in the household budget. Read more…