 It quickly corrected the page, saying that it was a software glitch, but ultimately blamed the matter on human error.A December 2007 report published by the Environmental Investigation Agency, a non-governmental agency, revealed that some furniture sold at Walmart was made from wood which had been illegally logged in protected Russian habitats for Siberian tigers and other wildlife.This led the company to investigate its suppliers and promise to eliminate products made from illegal wood by 2013.