Table 1
The environmental impact of population, affluence and technology
PopulationAffluenceTechnology
Population×CapitalstockPerson×MaterialthroughputCapitalstock×EnergyMaterialthroughput×EnvironmentalimpactEnergy
Applicable tools
Family planningFemale literacySocial welfareRole of womenLand tenureValuesPricesFull costingWhat do we want?What is enough?Product longevityMaterial choiceMinimum materials designRecycle, reuseScrap recoveryEnd-use efficiencyConversion efficiencyDistribution efficiencySystem integrationProcess redesignBenign sourcesScaleSitingTechnical mitigationOffsets
Approximate scope for long-term change
∼2×?∼3−10×∼5–10×∼102–103+×
Time scale of major change
∼50−100 years∼0–50 years∼0–20 years∼0–30 years∼0–50 years

Source: Hammond (2004); adapted from Meadows et al. (1992) and based on the original estimates made by Amory Lovins.

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