A provocative work that urges governments and policymakers to concentrate on existing policies and tools for combating climate change.

Climate change is profoundly altering our world in ways that pose major risks to human societies and natural systems. We have entered the Climate Casino and are rolling the global-warming dice, warns economist William Nordhaus. But there is still time to turn around and walk back out of the casino, and in this essential book the author explains how.div /DIVdivBringing together all the important issues surrounding the climate debate, Nordhaus describes the science, economics, and politics involved—and the steps necessary to reduce the perils of global warming. Using language accessible to any concerned citizen and taking care to present different points of view fairly, he discusses the problem from start to finish: from the beginning, where warming originates in our personal energy use, to the end, where societies employ regulations or taxes or subsidies to slow the emissions of gases responsible for climate change./DIVdiv /DIVdivNordhaus offers a new analysis of why earlier policies, such as the Kyoto Protocol, failed to slow carbon dioxide emissions, how new approaches can succeed, and which policy tools will most effectively reduce emissions. In short, he clarifies a defining problem of our times and lays out the next critical steps for slowing the trajectory of global warming./DIV

Global warming is widely considered to be one of the most serious environmental problems for current and future generations.

Many believe economic growth is incompatible with ecological preservation. Green Capital challenges this argument by shifting our focus away from the scarcity of raw materials and toward the deterioration of the great natural regulatory functions (such as the climate system, the water cycle, and biodiversity). Although we can find substitutes for scarce natural resources, we cannot replace a natural regulatory system, which is incredibly complex. It is therefore critical that we introduce a new price into the economy that measures the costs of damage to these regulatory functions. This change in perspective justifies such innovations as the carbon tax, which addresses not the scarcity of carbon but the inability of the atmosphere to absorb large amounts of carbon without upsetting the climate system. Brokering a sustainable peace between ecology and the economy, Green Capital describes a range of valuation schemes and their contribution to the goals of green capitalism, proposing a new approach to natural resources that benefits both businesses and the environment.

According to many scientists, climate change is a growing threat to life as we know it, requiring a large-scale, immediate response. According to many economists, climate change is a moderately important problem; the best policy is a slow, gradual start, to avoid spending too much. They can't both be right. In this book, Frank Ackerman offers a refreshing look at the economics of climate change, explaining how the arbitrary assumptions of conventional theories get in the way of understanding this urgent problem. The benefits of climate protection are vital but priceless, and hence often devalued in cost-benefit calculations. Preparation for the most predictable outcomes of global warming is less important than protection against the growing risk of catastrophic change; massive investment in new, low carbon technologies and industries should be thought of as life insurance for the planet. Ackerman makes an impassioned plea to construct a better economics, arguing that the solutions are affordable and the alternative is unthinkable. If we can't afford the future, what are we saving our money for? Can we Afford the Future? is part of The New Economics series, which uses the ideas behind a new, more human economics to provide a fresh way of looking at major contemporary issues.

This book presents in detail a pair of models of the economics of climate change. The models, called RICE-99 (for the Regional Dynamic Integrated model of Climate and the Economy) and DICE-99 (for the Dynamic Integrated Model of Climate and the Economy) build on the authors' earlier work, particularly their RICE and DICE models of the early 1990s. Humanity is risking the health of the natural environment through a myriad of interventions, including the atmospheric emission of trace gases such as carbon dioxide, the use of ozone-depleting chemicals, the engineering of massive land-use changes, and the destruction of the habitats of many species. It is imperative that we learn to protect our common geophysical and biological resources. Although scientists have studied greenhouse warming for decades, it is only recently that society has begun to consider the economic, political, and institutional aspects of environmental intervention. To do so raises formidable challenges of data modeling, uncertainty, international coordination, and institutional design. Attempts to deal with complex scientific and economic issues have increasingly involved the use of models to help analysts and decision makers understand likely future outcomes as well as the implications of alternative policies. This book presents in detail a pair of models of the economics of climate change. The models, called RICE-99 (for the Regional Dynamic Integrated model of Climate and the Economy) and DICE-99 (for the Dynamic Integrated Model of Climate and the Economy) build on the authors' earlier work, particularly their RICE and DICE models of the early 1990s. They can help policy makers design better economic and environmental policies.

Climate change is occurring. It is very likely caused by the emission of greenhouse gases from human activities, and poses significant risks for a range of human and natural systems. And these emissions continue to increase, which will result in further change and greater risks. America's Climate Choices makes the case that the environmental, economic, and humanitarian risks posed by climate change indicate a pressing need for substantial action now to limit the magnitude of climate change and to prepare for adapting to its impacts. Although there is some uncertainty about future risk, acting now will reduce the risks posed by climate change and the pressure to make larger, more rapid, and potentially more expensive reductions later. Most actions taken to reduce vulnerability to climate change impacts are common sense investments that will offer protection against natural climate variations and extreme events. In addition, crucial investment decisions made now about equipment and infrastructure can "lock in" commitments to greenhouse gas emissions for decades to come. Finally, while it may be possible to scale back or reverse many responses to climate change, it is difficult or impossible to "undo" climate change, once manifested. Current efforts of local, state, and private-sector actors are important, but not likely to yield progress comparable to what could be achieved with the addition of strong federal policies that establish coherent national goals and incentives, and that promote strong U.S. engagement in international-level response efforts. The inherent complexities and uncertainties of climate change are best met by applying an iterative risk management framework and making efforts to significantly reduce greenhouse gas emissions; prepare for adapting to impacts; invest in scientific research, technology development, and information systems; and facilitate engagement between scientific and technical experts and the many types of stakeholders making America's climate choices.