NPR : Interview with Wade Davis, On the Edge of Timbuktu, Radio Expeditions | Culture Collapse Disorder |

NPR's Alex Chadwick: How long have you been working on the ethnosphere project as an idea? 

Wade Davis: I coined the term ethnosphere in a recent book, Light at the Edge of the World. The thought was to come up with a concept that would suggest to people that just as there is a biosphere, a biological web of life, so too there is a cultural fabric that envelops the Earth, a cultural web of life. You might think of the ethnosphere as being the sum total of all thoughts and dreams, myths, intuitions and inspirations brought into being by the human imagination since the dawn of consciousness. The ethnosphere is humanity's great legacy. It is the product of our dreams, the embodiment of our hopes, the symbol of all that we are and all that we have created as a wildly inquisitive and astonishingly adaptive species. 

And just as the biosphere, the biological matrix of life, is today being severely compromised, so too is the ethnosphere. Only if anything at a far greater rate of loss. No biologist, for example, would dare suggest that 50 percent of all species of plant and animal are moribund or on the brink of extinction. Yet this, the most apocalyptic projection... (click title for more)