Economist Jeremy Rifkin weighs in on how we’ve come to the end of our ability to fuel growth with a petroleum-based economy as well as the environment’s inability to sustain the damage. Mr. Rifkin is the principle architect of the European Union’s Third Industrial Revolution long-term economic sustainability plan to address the triple challenge of the global economic crisis, energy security, and climate change. He is also the bestselling author of twenty books on the impact of scientific and technological changes on the economy, the workforce, society, and the environment including The Third Industrial Revolution and The Empathic Civilization.