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International Journal of Comparative Sociology
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Ecological Imperialism and the Global Metabolic Rift

Unequal Exchange and the Guano/Nitrates Trade

Brett Clark

North Carolina State University, USA, brettclark{at}nc.rr.com

John Bellamy Foster

University of Oregon, USA

Transfers in economic values are shadowed in complex ways by real material-ecological flows that transform ecological relations between city and country, and between the core and periphery. Directing material flows is a vital part of intercapitalist competition. Ecological imperialism creates asymmetries in the exploitation of the environment, unequal exchange, and a global metabolic rift. The 19th-century guano/nitrates trade illustrates the emergence of a global metabolic rift, as guano and nitrates were transferred from Peru and Chile to enrich the soils of Britain and other imperial countries. This global metabolic rift entailed the decline of soil fertility in Britain, importation of Chinese labor to Peru, mass export of natural fertilizer, degradation of the Peruvian/Chilean environment, war over possession of nitrates, and creation of debt-laden economies. It allowed Britain and other imperial countries to maintain an `environmental overdraft' in their own countries, imperialistically drawing on the natural resources of the periphery. The social metabolic order of capitalism is inseparable from such ecological imperialism, which is as basic to the system as the search for profits itself.

Key Words: environment • guano/nitrates • imperialism • Karl Marx • metabolic rift

International Journal of Comparative Sociology, Vol. 50, No. 3-4, 311-334 (2009)
DOI: 10.1177/0020715209105144


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