Climate Tipping Requires Precautionary Accumulation of Capital and an Additional Price for Carbon Emissions
Many ecological systems feature ‘tipping points’ at which small changes can have sudden, dramatic, and irreversible effects, and scientists worry that greenhouse gas emissions could trigger climate catastrophes. This column argues that this renders the marginal cost-benefit analysis usually employed in integrated assessment models inadequate. When potential tipping points are taken into account, the social cost of carbon more than triples – largely because carbon emissions increase the risk of catastrophe.
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