| North_American_Breeding_Bird_Survey Results and analysis of an annual program of bird surveys designed to provide a continent-wide perspective of population change. |
| Wildlands_Project_Revealed Campaign to set aside approximately 50% of the North American continent for the preservation of biological diversity. |
| Germplasm_Resources_Information_Network_(GRIN) Facilitates management and operation of plant, animal, microbe and invertebrate genetic resources research programs for the Agricultural Research Service. Site provides access to data dictionaries for |
| IPGRI_Crops/Species PGR databases, monographs and other publications: crops, forestry and forages. |
| Plant_Genetic_Resources_for_Food_and_Agriculture_(PGRFA) FAO portal for the Global System on PGRFA with links to the State of the World's PGRFA, the Global Plan of Action and its implementation and related conferences, agreements and treaties. |
| Seeds_and_Survival__Crop_Genetic_Resources_in_War_and_Reconstruction_in_Africa Considers the impact of war, civil strife and low-intensity conflict on the management of plant genetic resources, in regions where crop plant genetic resources are still conserved in situ by small-sc |
| System-wide_Information_Network_for_Genetic_Resources SINGER is the genetic resources information exchange network of the International Agricultural Research Centres of the Consultative Group on International Agricultural Research. It provides access to |
| European_Workshop_on_National_Plant_Genetic_Resources_Programmes Sweden, 24-26 April 2003. Follow-up meeting to the 1998 Braunschweig Symposium that was concerned with the implementation of the Leipzig Global Plan of Action on PGRFA. Site provides full details. |
| The_Permian_Mass_Extinction Discusses the geologic setting, possible causes, and taxa affected by the extinction event at the end of the Paleozoic. |
| About_Dams A range of topics from the International Rivers Networks including social, environmental and economic impacts, and dam performance and safety. |
| Building_The_Ultimate_Dam Donald Jackson of the History Department, Lafayette College, describes his book on John S. Eastwood and the control of water in the American West. Excerpts and illustrations. |
| California_Dam_Safety Reviews plans and specifications for the construction of new dams or for the enlargement, alteration, repair, or removal of existing dams. Includes technical references, statutes and regulations. |
| Climate_Control_Requires_a_Dam_at_the_Strait_of_Gibraltar Article discusses the climate benefits of building a dam across the straits of Gibralter. By R. G. Johnson, Department of Geology and Geophysics, University of Minnesota. |
| Dam_Design Features a range of information for undergraduate studies. Topics include loadings, geology, site investigations, and construction. Compiled by Andrew Graham at Durham University. |
| The_Dam_Site A range of topics from Richard Woodward, including how dams are built and work, geology, and the environment. |
| Dams Illustrated project by Diana Biggs, on the social and environmental impacts of large dams. Includes case studies. |
| Dams_and_Development Demonstrate how dams can be used by university teachers and students to explore topics in both environmental studies and development studies. Includes discussions, case studies of selected dam project |
| Deltaworks Includes the history of the 1953 flooding in The Netherlands and series of dams created to prevent this from happening again. |
| Elan_Valley_Dams History of the dams, reservoirs, and 73 mile aqueduct of the Elan Valley waterworks in mid-Wales. From the Powys digital history project. |
| Geoguide_Dams Basic animated guide to the before, during, and after phases of dam construction. |
| German_Dam_Research_and_Technology_ Provides links to publications that show progress in German dam research and case histories where modern techniques had been used. Publications in pdf format. |
| High_Masonry_Dams_ Full text of John McMaster's 1876 publication. |
| Holding_Back_the_Waters_—_Dams_as_Water_Resource_Monuments Article by Joe Gelt which details the range of dams and the regulations that control them. |
| Introduction_to_Dams Topics include the societal nature of dams and opposition to, examples of failures, and types. |
| Kalpasar_Dam_Development_Feasibility_Study Gujarat State considers a proposed tidal power dam at the Gulf of Khambhat, India. Includes history, benefits and technical features. |
| Karun_III Project history, news, technical data and photographs. Arch dam located on the Karun river in Iran. |
| The_Los_Angeles_Dam_Story Illustrated article on the progress in designing critical structures to avoid damage during large earthquakes. |
| National_Performance_of_Dams_Program_-_NPDP Technical resource for information on the performance of dams, supporting dam safety, engineering, and public policy. Includes a database of dams in the U.S., and a database of primarily dam failures |
| Parker_Dam Guide from Desert USA to the deepest dam in the world, built in the 1930s on the Colorado River. Includes history, photographs and visitor information. |
| Parker_Dam_and_Powerplant Comment and photographs from the Bureau of Reclamation. |
| Pensacola_Dam Provides a range of photographs and commentary on the history and construction of this 1938 dam located on the Grand river in Oklahoma. |
| Tailings_Dam_Safety Topics include current issues, safety, dam properties and failures. From the WISE uranium project. |
| The_World_Commission_on_Dams Archive of the commission whose objectives were to undertake a global review of the development effectiveness of large dams and to develop internationally acceptable criteria and guidelines for future |
| Biodiversity_Issue_Group_of_the_European_ECO-Forum BIG works to implement and further develop selected subjects within the 6 Program Elements of the Pan-European Biological and Landscape Diversity Strategy. |
| European_Environment_Agency_-_Biodiversity_Change Collection of indicators, reports, links, data sets and targets on changes in European biodiversity. |
| European_Topic_Centre_on_Nature_Conservation One of the 8 topic centres created by the European Environment Agency (EEA) since December 1994 to collect, analyse, assess, synthetise the information on environment in Europe. |
| The_Strategy_Guide A clearing-house for the Pan-European Biological and Landscape Diversity Strategy (PEBLDS). Provides publications, news, activities and events. |
| 101_Crazy_Dinosaur_Theories Theories about dinosaur extinction |
| Dinosaur_Extinction Short summaries of some theories of dinosaur extinction. |
| Dinosaur_Volcano_Greenhouse_Extinction The dinosaur extinction occurred during a Deccan Traps volcanism-induced greenhouse climate change. By Dewey McLean. |
