What are the definitions of weak sustainability and strong sustainability policy? Choose only one answer which has been discussed in the module lectures. What are the definitions of weak sustainability and strong sustainability policy? Choose only one answer which has been discussed in the module lectures. Weak sustainability policy gave equal weightage for all three pillars of sustainability - nature, society, and economy. Whereas as a stronger definition evolved the pillars were given differing emphasis and a nested weightage was given to each pillar. Weak sustainability policy relies only on local action. Whereas strong sustainability policy is a global policy. Weak sustainability focuses on conserving a constant level of capital, natural and manufactured, assuming that human made capital can make up for the lack of natural resources. Strong sustainability acknowledges how irreplaceable natural resources can be. Weak sustainability policy definition emerged from the global south. Whereas strong sustainability definition emerged from the global north