Opportunity Lost: Error and Bias Undermine The Skeptical EnvironmentalistA review ofThe Skeptical Environmentalist: Measuring The Real State Of The World. By Bjørn Lomborg. Cambridge and New York: Cambridge University Press. $70.00 (hardcover); $28.00 (paper). xxiv + 515 p; ill.; index. ISBN: 0–521–80447–7 (hc); 0–521–01068–3 (pb). [Originally published in Danish as Verdens Sande Tilstand, 1998.] 2001.