An in-depth article in the New Yorker magazine follows the global trail of illegal logging activities, from Wal-Mart to the Trans-Siberian Railway. "A fifth of the world’s wood comes from countries that have serious problems enforcing their timber laws, and most of those countries are also experiencing the fastest rates of deforestation. Until a decade ago, many governments were reluctant to acknowledge illegal logging, largely because it was made possible by the corruption of their own officials."