The human species faces many threats to its health - perhaps to its survival. Taking an interesting perspective, Planetary Overload forcefully points out the consequences to human health of ongoing degradation of Earth's ecosystems. In a broad-based, accessible analysis, A. J. McMichael examines ecological disruptions - land degradation, ozone depletion, temperature increases, and loss of genetic diversity through the extinction of species, among others - and compellingly demonstrates their potentially disastrous results, including food shortages, new and intensified disease patterns, rising seas, mass refugee problems, and cancers, blindness, and immune suppression from increased ultraviolet radiation. While other books on the subject analyse only the environmental impact of these problems, McMichael relates each of these insidious processes back to its ultimate impact on human health. He thoroughly considers these problems within a broad evolutionary, biological, social, and economic
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