Gen. David Petraeus’ assertions about falling casualties in Iraq are supported by a range of objective sources. But his testimony to Congress does not establish whether the decline is attributable to…

Loss of forests is a major contributor to greenhouse-gas emissions. Plans to devise a policy tool for using trees for carbon dioxide sequestration are now under way.

This publication is now archived. IntroductionDefining a year just past is often a matter of perspective. Sometimes it’s self-evident: 1989 saw communism fall in Europe, 2001 saw terrorism arrive in …