A Moral Code for a Finite World

What if global warming is a reality, and expanding human activity is causing irreparable harm to the ecosystem? What if the demands of a growing human population and an expanding global economy are causing our oceans to warm up, our ice caps to melt, our supply of edible fish to decrease, our rain forests to disappear, our coral reefs to die, our soils to be eroded, our air and water to be polluted, and our weather to include a growing number of floods and droughts? What if it is sheer hubris