Practical Ethics

The Paris agreement on climate change calls for a global responsibility to cooperate. As we are often reminded, we urgently and drastically need to limit our use of one shared resource – fossil fuels – and its effect on another – the climate. But how realistic is this goal, both for national leaders and for us? Well, psychology may hold some answers.

Psychologists and economists have long explored the conflict between short-term individual and long-term collective interests when dealing with shared resources. Think of the commons dilemma: the scenario in which a field for grazing cattle works well when everyone cooperates by sticking to one cow each, but which leads to the so-called “tragedy of the commons” if more selfish drives take over.

It is useful to think about overuse of fossil fuels and its effect on the climate as a similar dilemma. If we were to think of this from a purely economic perspective, we would likely act selfishly. But psychological research should make us more optimistic about cooperation. Continue reading →