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...

Current policies directed at mitigating global warming appear unlikely to prevent temperatures from rising to levels that would trigger a precipitous increase in the costs of climate change. Various attempts at international cooperation to avoid this outcome have failed. Why is this problem so...