Johan Rockstrom talks about the challenges to meet the future and reviews many of the important points that we have discussed in this class. Look for the concepts of I=PAT, resilience, Haber-Bosch process and others. He describes how we need to move from command and control type management to adaptive managment.
Allan
Savory describes the interaction between grasslands and grazing, elaborating some of the principles that Polyface Farms uses. His approach shows how scientifically evaluating the problem of desertification finally coming up with a management approach that can increase productivity and decrease CO2 addition to the atmosphere.
