International Environmental Research Center(IERC) at Gwangju Institute of Science & Technology(GIST) is operating the Joint Programme on Science and Technology for Sustainability as an Associated Institution of United Nations University (UNU). The main functions of the Joint Programme are

To carry out research and training on science and technology for environmental sustainability

To undertake information dissemination and advisory services through an international environmental information network ; and

To benefit all, especially those in developing countries for environmental management and sustainable development