International human rights law is changing faster than companies can keep up. In order to stay ahead of the curve, companies should have comprehensive human rights policies implemented, recommends a recent report on Canadian energy and mining companies...however a survey that forms the basis of the report finds only a very few have taken this proactive step...four companies adequately disclosed policies and management systems in 2004 compared to their peers...Talisman Energy, Nexen, Enbridge and Alcan...A fifth company, Petro-Canada, has a policy in place but not a credible management system...