...This report is a case study that for the first time assesses the human rights approach of Vitol, a Swiss commodity trader, and one of its suppliers, Coal of Africa Limited, against the criteria of the United Nations Guiding Principles on Business and Human Rights (UNGPs). The responsibility of Vitol regarding the health and climate change impacts of coal is also assessed...This case study demonstrates that trading activities in Switzerland can be linked with negative human rights impacts abroad. Vitol has not implemented the UNGPs in order to reduce its possible involvement in human rights violations.Voluntary initiatives taken by companies are not sufficient to prevent the involvement of Swiss companies, including traders, in negative human rights impacts. Mandatory measures are necessary. For this reason, Bread for all is part of the 70 organisations that are supporting the Initiative for Responsible Multinational Corporations,4 which calls on the government to require every Swiss multinational company to conduct human rights due diligence...