Global Environmental Change: Human and Policy Dimensions is an international journal that addresses the human ecological and public policy dimensions of environmental processes that threaten the sustainability of life on Earth. These processes include deforestation, desertification, soil degradation, population growth, increased energy demand, increased demand for water, species extinction, sea level rise, acid precipitation, groundwater contamination, destruction of the atmospheric ozone layer, atmospheric warming/cooling, marine pollution, nuclear winter, the emergence of new technological hazards, and the worsening effects of natural disasters. The journal emphasizes human contributions to worldwide environmental changes and explores the diversity of human responses to impacts of global change.