ArcelorMittal's position in the steel and mining industry brings unique responsibilities through its core values of sustainability, quality and leadership. ArcelorMittal commits to operating in a responsible way with respect to the health, safety and well-being of its employees, contractors and the communities in which it operates. The company is also committed to the sustainable management of the environment. It takes a leading role in the industry's efforts to develop breakthrough steelmaking technologies and is actively researching and developing steel-based technologies and solutions that contribute to combating climate change. ArcelorMittal is a member of the FTSE4Good Index and discloses to the Carbon Disclosure Project. In 2014, the company's corporate responsibility reporting achieved 6th place in both the World Business Council for Sustainable Development's Reporting Matters and in Transparency International's Transparency in Corporate Reporting study. It is listed on the stock exchanges of New York (MT), Amsterdam (MT), Paris (MT), Brussels (MT) and Luxembourg (MT), and on the Spanish stock exchanges of Barcelona, Bilbao, Madrid and Valencia (MTS).