Summary The notion of a (socio-) metabolic transition has been used todescribe fundamental changes in socioeconomic energy andmaterial use during industrialization. During the last century,Japandevelopedfromalargelyagrarianeconomytooneoftheworld’s leading industrial nations. It is one of the few industrialcountries that has experienced prolonged dematerializationand recently has adopted a rigorous resource policy. This arti-cle investigates changes in Japan’s metabolism during industri-alization on the basis of a material flow account for the periodfrom 1878 to 2005. It presents annual data for material ex-traction, trade, and domestic consumption by major materialgroup and explores the relations among population growth,economic development, and material (and energy) use. Dur-ing the observed period, the size of Japan’s metabolism grewby a factor of 40, and the share of mineral and fossil materialsin domestic material consumption (DMC) grew to more than90%. Much of the growth in the Japanese metabolism wasbased on imported materials and occurred in only 20 yearsafter World War II (WWII), when Japan rapidly built up largestocks of built infrastructure, developed heavy industry, andadopted patterns of mass production and consumption. Thesurge in material use came to an abrupt halt with the firstoil crisis, however. Material use stabilized, and the economyeventually began to dematerialize. Although gross domesticproduct (GDP) grew much faster than material use, improve-mentsinmaterialintensityarearelativelyrecentphenomenon.Japanemergesasarolemodelforthemetabolictransitionbutis also exceptional in many ways.www.wileyonlinelibrary.com/journal/jie
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