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With six billion people living on Earth, and more arriving every day, basic human needs for fresh water and fuel are making unprecedented demands on our global and local ecosystems.
Beyond the necessities of survival, there is increasing demand throughout the globe for more material goods and services.
Americans consume more resources per capita than people in any other nation on Earth.
As other nations strive to increase material wealth and the comforts and conveniences we take for granted, the strain on natural resources and biodiversity will only increase. | 
