Planetary Boundaries

  • Aired 09/25/2009

New approaches are needed to help humanity deal with climate change and other global environmental threats that lie ahead in the 21st century. A group of 28 internationally renowned scientists propose that global biophysical boundaries, identified on the basis of the scientific understanding of the Earth System, can define a 'safe planetary operating space' that will allow humanity to continue to develop and thrive for generations to come. This new approach to sustainable development is conveyed in the comi