Climate Change Rick Management

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Climate change risk management approaches generally fall into four broad categories: 1) mitigation—efforts to reduce greenhouse gas emissions; 2) adaptation—increasing society’s capacity to cope with changes in climate; 3) geoengineering or climate engineering—additional, deliberate manipulation of the earth system that is intended to counteract at least some of the impacts of greenhouse gas emissions; and 4) knowledge-base expansion—efforts to learn and understand more about the climate system, which can help support proactive risk management. By reducing emissions, mitigation reduces society’s future contributions to greenhouse gas concentrations in the atmosphere. Ultimately, this can help reduce the amount that climate will change and thereby increase the potential that societal impacts will remain manageable. None of the risk management options is mutually exclusive. Indeed, comprehensive climate change risk management almost certainly includes a combination of policy responses.