Introduction - approaches to risk and uncertainty in environmental and resource economics, Justus Wesseler et al. Part 1 Importance of environmental risk and uncertainty: irreversibilities and catastrophic risks in climate change, Anthony C. Fisher; on the quasi-option value of biodoversity and conservation, Hans-Peter Weikard; optimal environmental development under differing stochastic regimes, Shirra Freeman and Naomi Zeitouni. Part 2 Implications for economic development and environmental policies: public-private environmental conflicts, Sung Hoon Park and Jason F. Shogren; fish-wars revisited - a stochastic incomplete-information harvesting game, Robert C. Kelvey et al; climate change scenarios and the precautionary principle, Rossella Bargiacchi; risk, pollution abatement and endogenous growth - the impact of perception, Susanne Soretz; securitizing the environment - a property rights approach to managing climate change, Stephen C. Peck and Thomas J. Teisberg; risk aversion in economic decision making - pragmatic guides for consistent choice by natural resources managers, Jock R. Anderson and J. Brian Hardaker; uncertainty analysis in integrated assessment models for acidification, Silke Gabbert and Caroline Kroeze. Part 3 Impact on private sector response: stochastic dominance portfolio analysis of forestry assets, Veli-Pekka Heikkinen and Timo Kuosmanen; weather-based index insurance to hedge temperature exposure of greenhouse horticultural firms, Marcel A.P.M. van Asseldonk and Alfons G.J.M. Oude Lansink; parents' valuation of latent health risks to their children, Mark Dickie and Shelby Gerking; the effect of heavy metal content on food pricing behaviour - experimental assessment, Anne Rozan et al.