Climate change and climate change policy raise important issues of intergenerational and international justice. Intergenerational justice requires that CO2 emissions be halted by the middle of this century or shortly thereafter. But since human development requires energy, the elimination of...

In cost–benefit analysis of climate policy there are two main approaches to discounting, each with implications conflicting with our moral intuitions. Thus, discounted utilitarianism implies that we hardly need to protect future generations against climate change, while classical...