In light of recent events, I think the IPCC’s credibility is in question.
History is replete with examples of why highly concentrated power in the hands of few is a bad thing. This is necessary to an extent, but we passed the balance point many years ago. Climate change is the ultimate nebulous excuse for more power and less individual freedom.
I don’t see how. In a free market, businesses must offer what customers want or they will die. Sustainability is just the latest variable in the equation.