The Dominant Animal

Human Evolution and the Environment

Long-term effects of oil spills


Recent article on toxics

Recent article on hormone mimicking chemicals. Full text

Chapter 12. A New Imperative

Chapter Summary The new imperative is to recognize the increasingly negative impacts of human beings in our current practices and numbers on the ecological systems that support our lives. The earliest recorded impacts of Homo sapiens on Earth’s natural systems were declines in size of harvested mollusks and the disappearance of “megafaunas”—suites of large animals—because [...]