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ib_geog2009 resource-consumption oil peak_oil energy energy_consumption
IB ib_geog2009 atmosphere environ_sustain resources global energy_consumption population renewable-energy interactive_map
ib_geog2009 sahara resources energy energy_consumption substitution
pollution china control air air pollution energy energy_production energy_consumption ib_geog2009 Patterns in resource consumption Patterns in environmental quality and sustainability Patterns and Change