A United Nations expert body...expressed concern that the outcome document agreed at the...UN Conference on Sustainable Development (Rio+20) failed to explicitly mention that businesses must respect human rights. “Businesses will play a major role in developing the green economy and human rights safeguards are necessary to ensure that policies and business plans intended to advance environmental or development goals do not negatively impact people, communities and their livelihoods,” said the head of the...UN Working Group on Human Rights and Transnational Corporations and Other Business Enterprises, Puvan Selvanathan.