The Code of Professional conduct was revised effective Dec. 15, 2014. A national effort is underway to encourage more state boards of accountancy to adopt the robust ethical standards in the AICPA Code.
The Stanford Encyclopedia of Philosophy presents an article on Business Ethics. This in depth article provides information varieties of ethics, firms and consumers/workers, and more.
An article from the Washington Post, written by Luann J. Lynch, (a professor at the University of Virginia Darden School of Business), about the ethical decisions Volkswagen made when it came to emissions.