is comparable to numeric models used in policy advising. Uncertainty surrounding climate change remains large. The closed …-form expressions of welfare loss from shocks and epistemological uncertainty identify the interaction of (intertemporal) risk attitude …, distributional moments, and the climatic shadow values. Welfare gains from reducing uncertainty about temperature feedbacks are much …

scientific uncertainty about the effects of increased greenhouse gas concentrations on climate. Criticisms of this controversial …

uncertainty over climate change and its impact, why there is so much uncertainty, and why we will continue to face uncertainty in … the near future. I also explain the policy implications of climate change uncertainty. First, the uncertainty … stronger actions to reduce CO2 emissions. Second, uncertainty interacts with two kinds of irreversibilities. First, CO2 remains …