Aguas subterraneas

Historical Perspectives Selected Papers of the International Water History Association’s Conference on The Role of Water in History and Development Bergen, Norway 10-12 August 2001 Edited by S. Castelein and A. Otte A contribution to IHP-VI, Theme 4 “Water and Society”and the UNESCO / Green Cross International initiative From Potential Conflict to Co-operation Potential: Water for Peace, a sub-component of the World Water Assessment Programme IHP-VI  Technical Documents in Hydrology (TDH)  No. 62 UNESCO, Paris, 2002 (SC-2002/WS/53) The designations employed and the presentation of material throughout the publication do not imply the expression of any opinion whatsoever on the part of UNESCO concerning the legal status of any country, territory, city or of its authorities, or concerning the delimitation of its frontiers or boundaries. Preface Preface by Andras Szöllösi-Nagy Secretary of the International Hydrological Programme and Deputy Assistant Director General for Natural Sciences, UNESCO The recent World Summit on Sustainable Development (WSSD) held from 26 August to 4 September 2002 in Johannesburg, South Africa has, once more, pointed out that the signs of a looming water crisis are evident. Since water is essential to every aspect of life, this crisis will likely affect everything—health, human rights, environment, economy, welfare, politics, culture—and will be, therefore, well beyond the scope of any individual…

argeliano)............................. 666 Figura 23.7 Machadinha do Paleolítico Inferior, Tachenghit (Saara argeliano)................... 666 Figura 23.8 Grande ponta dupla bifacial ateriense, Timimoum (Saara argeliano)............... 670 Figura 23.9 Pontas aterienses, Aoulef (Saara argeliano)....................................................... 670 Figura 23.10 Ponta dupla bifacial ateriense, Adrar Bous V (Níger)..................................... 670 Figura 23.11…