Foreword - Roland Psenner and Reinhard Lackner Alps – the Water Towers of Europe - Karl Schwaiger A Research Agenda Proposed to the Alpine Convention: Perspectives of the International Scientific Committee on Research in the Alps (ISCAR) - Axel Borsdorf Who Owns the Water? - Karl Weber Glaciers – Objects of Law and International Treaties - Michael Bütler Water Balance of the highly Glaciated Vernagt Basin, Ötztal Alps - Ludwig N. Braun, Heidi Escher-Vetter, Matthias Siebers and Markus Weber How will the Alps Respond to Climate Change? Scenarios for the Future of Alpine Water - Lučka Kajfež Bogataj Water Problems at the European Scale – The EURO-LIMPACS Project. - Ulrike Nickus The River Continuum Concept revisited: Lessons from the Alps - Bruno Maiolini, M. Cristina Bruno