We have for years been hearing about the potential for ‘peak oil’ and more recently about ‘peak metals’ but for the first time, several peer reviewed articles are warning us other peak resource constraints are threatening several key areas of product supply, including food.

Peak oil has been discussed for a number of years, but its timing has been pushed out into the future by the emergence of high environmental impact mining techniques like shale oil, oil sands and fracking of natural gas (also used as an oil substitute) across the world. This change…