More at http://philosophytalk.org/shows/environment-and-global-justice.

Our current way of life is unsustainable. Depletion of the ozone layer, the dwindling of the rain forest, the loss of animal habitat, and toxic runoff into lakes, streams and rivers are just a few of the environmental challenges we face. The environment is a global problem that no one nation can address on its own. Something must give, somewhere. But who will pay what costs for improving the global environment? Wealthy nations of the North? Developing nations of the South? By what principles of justice shall we decide? John and Ken take justice into their own hands with Larry Goulder from Stanford University.