Supply Chains , Chains, Chains, Chains, Chains
Graphic credit: Our Renewable Future (Fridley, Heinberg 2016)
Summary: In the good old days of your great-grandparents, the average general store had maybe 100 or 200 items. By the 1970’s this had grown to 8,000. Now an average supermarket has over 40,000 different products representing a dazzling array of consumer choice, and a Walmart will have over 120,000. 192 Each of these products was made by a company, somewhere, and the store is the second to last stop (the last being your home) of a long and complex supply chain. No matter what product you buy, it has embodied energy from each of dozens (or hundreds, or
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