But the key ingredients that are in short supply are the human factors: political will and the rapidly evolving norms and attitudes about climate change that can generate that will.
Some may look at the scope of the climate challenge and the obstructive power of the fossil fuel incumbency — with its deeply embedded infrastructure and its political clout around the world — and conclude that a change in people’s thinking won’t be enough. But changing norms and attitudes can move mountains. They are about a sense of what is acceptable, what is right, what is important, what we expect.
Major shifts in attitude and behavior have occurred time and again in the social and economic spheres.