The human species faces a new threat to its health--perhaps to its survival. Our burgeoning numbers, the spread of technology, and our conspicuous consumption are overloading Earth's capacity to replenish and repair itself. Taking a unique 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 current ecological disruptions--land degradation, ozone depletion, temperature increases, and loss of genetic diversity through the extinction of species, among...

The human species faces a new threat to its health--perhaps to its survival. Our burgeoning numbers, the spread of technology, and our conspicuous consumption are overloading Earth's capacity to replenish and repair itself. Taking a unique 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 current ecological disruptions--land degradation, ozone depletion, temperature increases, and loss of genetic diversity through the extinction of species, among...