By National Research Council, Division on Earth and Life Studies, Board on Atmospheric Sciences and Climate, Committee on America's Climate Choices

ISBN-10: 0309145856

ISBN-13: 9780309145855

Weather swap is going on. it's very most likely as a result of the emission of greenhouse gases from human actions, and poses major hazards for quite a number human and common platforms. And those emissions proceed to extend, so that it will bring about extra swap and bigger dangers. America's weather offerings makes the case that the environmental, fiscal, and humanitarian dangers posed by way of weather switch point out a urgent want for titanic motion now to restrict the value of weather switch and to arrange for adapting to its affects. even though there's a few uncertainty approximately destiny danger, performing now will decrease the hazards posed by way of weather switch and the strain to make higher, extra speedy, and almost certainly costlier rate reductions later. such a lot activities taken to minimize vulnerability to weather swap affects are logic investments that might provide security opposed to ordinary weather diversifications and severe occasions. additionally, an important funding judgements made now approximately apparatus and infrastructure can "lock in" commitments to greenhouse fuel emissions for many years to come back. eventually, whereas it can be attainable to cut back or opposite many responses to weather swap, it's tricky or most unlikely to "undo" weather swap, as soon as manifested. present efforts of neighborhood, nation, and private-sector actors are very important, yet probably not to yield development equivalent to what will be accomplished with the addition of sturdy federal rules that determine coherent nationwide objectives and incentives, and that advertise powerful U.S. engagement in international-level reaction efforts. The inherent complexities and uncertainties of weather swap are most sensible met by way of employing an iterative chance administration framework and making efforts to seriously decrease greenhouse fuel emissions; arrange for adapting to affects; put money into clinical study, expertise improvement, and knowledge platforms; and facilitate engagement among medical and technical specialists and the various varieties of stakeholders making America's weather offerings.

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1), builds buildings and transportation infrastructure, and manages water and other natural resources. It will likewise require significant changes in consumer choices, travel behavior, and other individual and householdlevel decisions. Overcoming the inertia of the status quo in advancing these sorts of transformations will pose challenges for government, industry, agriculture, and individual citizens alike. , roads, vehicles, buildings, power plants) have lifetimes of decades. There are often strong economic pressures to continue use of such equipment and infrastructure, rather than retrofitting or replacing with a lower-emitting option.

All rights reserved. America's Climate Choices Causes and Consequences of Climate Change Thus in the judgment of the committee, the environmental, economic, and humanitarian risks of climate change indicate a pressing need for substantial actions to limit the magnitude of climate change and to prepare for adapting to its impacts. Undertaking such actions will require making choices in the face of incomplete and imperfect information about the future. 27 Copyright © National Academy of Sciences.

These sorts of inter-linkages not only pose difficult challenges, but also offer important opportunities for alleviating multiple problems simultaneously. For instance, integrated management plans for protection of coastal zones can help alleviate many of the climate-related and non-climate-related concerns listed above. 6 The costs and benefits of different courses of action are generally not well known. Decision making often involves weighing the possible benefits and costs of one course of action against another.

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America's Climate Choices by National Research Council, Division on Earth and Life Studies, Board on Atmospheric Sciences and Climate, Committee on America's Climate Choices


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