Electronic supplements with sources of information on Internet about themes of special interest, made by Hispagua

• Irrigable management and technology (January 2006)
• Wetlands (February 2006)
• The great preys of Spain (March 2006)
• Desalination (April 2006)
• Water pollution (June 2006)
• Desertification (July 2006)
• Water saving (August 2006)
• Water supply for developing countries (October 2006)
• Water supply in Spain (January 2007)
• Diseases related to the water (February 2007)
• State of the dams in the Hydrographic Confederations (March 2007)
• Groundwaters (April 2007)
• Hydraulic energy (June 2007)
• Water and education (July 2007)
• NGO´s and projects on water (August 2007)
• Bridges Collapse (September 2007)
• Disasters related to the water (October 2007)