UnearthedIn Unearthed: The Economic Roots of Our Environmental Crisis, Kenneth M. Sayre argues that the only way to resolve our current environmental crisis is to reduce our energy consumption to a level where the entropy (degraded energy and organization) produced by that consumption no longer exceeds the biosphere's ability to dispose of it. Tangible illustrations of this entropy buildup include global warming, ozone depletion, loss of species diversity, and