We live in an age of ecocide. Changes of enormous ecological significance are occurring on our planet - the ozone layer is beginning to disintegrate. Since 1970 the world's forests have almost halved. A quarter of the world's fish have been depleted. 70% of biologists believe the world is now in the midst of the fastest mass extinction of species in the planet's 4.5 billion-year history. Biodiversity loss is rated as a more serious environmental...