Contents: Part I Climate Change and its Impacts: The science of global warming, John Houghton; Valuing the impact of large-scale ecological change in a market: the effect of climate change on US timber, Brent Sohngen and Robert Mendelson; Climate change and water resources, Kenneth D. Frederick and David C. Major; The economic geography of the impacts of climate change, Gary Yohe and Michael Schlesinger; El Nino and world primary commodity prices: warm water or hot air?, Allan D. Brunner; The impact of global warming on agriculture: a Ricardian analysis, Robert Mendelsohn , William D. Nordhaus and Daigee Shaw; The impact of global warming on agriculture: a Ricardian analysis: comment, John Quiggin and John K. Horowitz; The impact of global warming on agriculture: a Ricardian analysis: reply, Robert Mendelsohn and William Nordhaus; The impact of global warming on agriculture: a Ricardian analysis: comment, Roy Darwin; The impact of global warming on agriculture: a Ricardian analysis: reply, Robert Mendelsohn and William Nordhaus. Evaluating the Costs and Benefits of Climate Change Mitigation: Rolling the 'DICE': an optimal transition path for controlling greenhouse gases, William D. Nordhaus; The marginal costs of greenhouse gas emissions, Richard S.J. Tol; Climate change policy: quantifying uncertainties for damages and optimal carbon taxes, Tim Roughgarden and Stephen H. Schneider; Optimal CO2 abatement in the presence of induced technological change, Lawrence H. Goulder and Koshy Mathai; Learning and stock effects in environmental regulation: the case of greenhouse gas emissions, Charles D. Kolstad; Discounting and distributional considerations in the context of global warming, Christian Azar and Thomas Sterner; Climate change and the representative agent, Richard B. Howarth; Economic and environmental choices in the stabilization of atmospherics CO2 concentrations, T.M.L. Wigley, R. Richels and J.A. Edmonds; Decoupling China's carbon emissions increase from econo
