Transdisciplinarity is a different approach to research and problem solving. The core idea is that researchers, practitioners and stakeholders co-operate in order to address the complex challenges of society. This book contains definitions, keynote addresses, and summaries of sessions and panels, from the International Transdisciplinarity Conference, held in Switzerland in early 2000. Key topics include: the nature of transdisciplinarity; research management; knowledge integration; mutual learning; teamwork and stakeholder involvement; guidelines for good practice, institutional structures; North-South patnerships; and evaluation. The intended audience includes disciplinary and interdisciplinary researchers concerned with sustainability in a wide variety of areas, such as: energy; natural resources; urban and landscape planning; waste management; biotechnology; health care; and education.