The End of Oil en Paul Roberts on the Campbell Conversations <p>Paul Roberts is an environmental journalist and the author of the widely acclaimed books &quot;The End of Oil&quot; and &quot;The End of Food.&quot; In this conversation he relates the importance of a concept known as &#39;peak oil,&#39; and considers possible bridge fuels to a new energy economy, including natural gas and nuclear power.</p><p> Fri, 04 May 2012 20:00:00 +0000 Grant Reeher 18825 at