Ways to Ease the Transition from the Current Economy to a Sustainable-Earth

Ways to ease the transition from the current economy to a sustainable-Earth economy include all of the following except

A) governments and industries increase spending on education,research and development especially in renewable-energy areas.
B) encouraging change in the current system of rewards and penalties to encourage environmentally sustainable economic activities.
C) providing income and retraining assistance for workers displaced from environmentally destructive businesses.
D) changing as quickly as possible so that change is not dragged out.
E) a and d.