Weekend food with Darina Allen
Between 1961 and 2007 the world population increased by a factor of 2.2. In the same period total meat production quadrupled and poultry consumption increased 10-fold.
Consequently the United Nations Food and Agriculture Organisation (FAO) estimate that livestock production is responsible for up to 18% of global greenhouse gas (GHG) emissions, although some estimates put the figure as high as 50%.