Planetary OverloadThe 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