Time horizons in evaluating environmental policies / Mikael Hilden -- Using limiting factors analysis to overcome the problem of long time horizons / Raymond Gullison -- Environmental evaluation practices and the issue of scale / Hans Bruyninckx -- Issues of scale and monitoring status and trends in biodiversity / Elizabeth T. Kennedy -- Data credibility : what are the "right" data for evaluating management effectiveness of protected areas? / Marc Hockings -- Data credibility : a perspective from systematic reviews in environmental management / Andrew S. Pullin -- Counterfactual thinking and impact evaluation in environmental policy / Paul J. Ferraro -- Design alternatives for evaluating the impact of conservation projects / Richard Margoluis -- Reflections on the dilemmas of conducting environmental evaluations / Hallie Preskill -- Key insights for the design of environmental evaluations / Per Mickwitz, Matthew Birnbaum

1. Environmental policy -- United States -- Evaluation
2. Environmental protection -- United States -- Methodology -- Evaluation