What Drives Sustainability: People or Markets?

What is your view of human nature, behavior, and potential? What are your thoughts on the likelihood of our capacity to slow our progress down the many steep slopes upon which we are sliding: climate change, soil depletion, fresh water scarcity, ocean salinity and acidity, biodiversity loss, air and water pollution, increasing income disparity, the concentration of power and wealth in the hands of increasingly few people, the corruption and abuse of power in governments, organizations, organized religion, communities, and even families? ..»