| NextStep Information resource collection and well-annotated directory of websites related to sustainable communities, pollution control and prevention, sustainable agriculture, and related topics, with a parti |
| Pollution_Prevention_Resource_Exchange_(P2Rx) A consortium of eight regional pollution prevention information centers, which provide pollution prevention information, networking opportunities and other services to States, local governments and te |
| PopPlanet A large collection of catalogued electronic resources and internet links on the topics of population and environment. Includes country-specific profiles and abstracts of technical articles. |
| The_Prairie_List Over 2,500 links to environmental organizations across Canada and the United States. |
| Right-To-Know_Network Data and documents on environmental topics such as toxic chemical releases, toxic waste handlers, superfund sites, and regulations. U.S. focus. |
| SaveTheEnvironment_com Features environmental links, information, and activism on the world wide web. |
| Socioeconomic_Data_and_Applications_Center Access to integrated social and natural science data by the Center for International Earth Science Information Network at Columbia University. |
| The-Environment_net Environmental resource about nature, recycling, technology, ecology, green products, oceans, kids and the environment, and local and global issues -- including a discussion forum and links to earth fr |
| World_Org "World Environmental Organization" lists links to 1000 "top environmental sites." Also has environmental news, tips for sustainable living, and information on how to recycle a variety of materials. |
| SOSIG__What\'s_New_in_Environmental_Sciences Offers reviews of new additions to the Social Science Information Gateway. [RSS] |
| The_Analemmatic_Sundial Describes design and construction of a six meter wide analemmatic sundial in Canada. |
| Analemmatic_Sundials Descriptions of these vertical post sundials, why they work, detailed account of the maths necessary to plot the hour lines. |
| The_British_Sundial_Society Information on the society, links, beginner's pages, including simple sundial patterns and templates, online facilities to calculate hour lines for different sundial types. |
| Cadrans_Solaire Describes different types of sundials, has other technical and general information. Offers free Shadows software to compute sundials of a number of different types for anywhere in the world. |
| Gardens_Guide An essay on the use of sundials in gardens. |
| The_North_American_Sundial_Society Includes general information, links, a register of dials in North America, and a message board. |
| Phil\'s_Sundial_Photo_Gallery Includes British and international sundials with description and exact location; sun compasses. |
| Solar_Time Heiner Thiessen designs Sundials that can tell the time of Ssunrise and Sunset and tell the angle of Solar declination and even the time at night. This site shows how they work. |
| SUNDI_-_Sundial_Design_Software Shareware / freeware software for design and planning of the most popular dials. |
| Sundial_Design_Program Software to design a vertical (wall mounting) sundial for walls that face up to 60 degrees away from due-south. |
| Sundial_Information Describes sundial parts and names, the basic types, and has make your own pages for three simple types of dial. |
| Sundials Describes the history of sundials, and their development in Europe from the time of the Greeks. Includes literary and poetic references. |
| Sundials_in_the_Czech_Republic_and_Slovakia On-line catalogue, with facilities for search, adding records, map, statistics, articles and references. |
| Sundials_on_the_Internet A major information source, with projects, detailed technical information, links to related sites, listings of societies. |
| Central_Mechanical_Engineering_Research_Institute CSIR-India. Performs R&D in mechanical and allied engineering fields. Primary objectives are product design, rapid prototyping and tooling, and Rapid product development. Description of facilities |
| Design_and_Analysis_of_Machine_Elements Online Book by Douglas Wright. Reference for all the strength of materials fundamentals. |
| Mechanical_Engineering A website from Ovidiu Tesu. Site with information on mechanical theory and 6 Sigma, some online conversion programs and many e-drawings for SolidWorks. It also contains a resume of the site owner. |
| Pipestress_analysis_technical_questions_and_answers Pipestress analysis is a specialism of mechanical engineers. A pipestress analysis is performed for chemical and petrochemical production plants as well for transport pipelines. Introduction, resource |
| Solid_Mechanics_Books Database of books covering this field. Searchable by author, title or subject. |
| Steam_&_Power A forum for operators, engineers, maintenance, and technicians who work in power and steam plants. |
| Vehicle_Suspension_Systems An interactive site giving information about vehicle suspension design, development and theory. With mailing list, forum and download area. |
| Crop_and_Soil_Science Oregon State University. History and development of the department. Description of research areas and projects. |
| Department_of__Crop_and_Soil_Sciences Cornell University. Description of academic courses, research activities and report. Contacts and Job positions. |
| Department_of_Agronomy_and_Soil_Science University of New England, Australia. Describes the teaching activities and course outlines. Introduction to the research areas. |
| Department_of_Crop_and_Soil_Sciences Washington State University. |
| Department_of_Crop_and_Soil_Sciences Penn State University. Information about admissions, curriculum, faculty, research and publications. |
| Department_of_Forest_Soils Swedish University of Agricultural Science. Description of the department, its educational and research activities and a list of publications. Many Links. |
| Department_of_Soil_and_Water Adelaide University, Australia. Researches soil physico-chemical and biological processes, water quality in catchments, lakes and reservoirs, environmental contamination & toxicology, remote sensi |
| Department_of_Soil_Science University of Reading. Short introduction to soils science, description of the facilities, staff and research activities. Details of courses, seminars and meetings. |
| Department_of_Soil_Science State University of North Carolina. Internationally recognized teaching and research facility for scientists and students of soil science. |
| Department_of_Soil_Science, North Dakota State University. Description of courses, description of projects and list of publications. |
| Department_of_Soil_Science_and_Plant_Nutrition University of Florence, Italy. Introduction to the members and the history of the department. Description of teaching and research. Research areas include on African and Mediterranean soils. |
| Department_of_Soil_Sciences Swedish University of Agriculture. Description of courses and fields of research. |
| Department_of_Soil,_Water_and_Climate University of Minnesota. Site gives information about degree and post graduate courses, faculty, research activities and outreach programmes. |
| Department_of_Tropical_Plant_and_Soil_Sciences University of Hawaii. Description of research and extension activities. Details about the academic programme. Current news and publications about soil and agriculture in Hawaii. |
| Environmental_Soil_Chemistry,_University_of_Delaware List of group members, summary of research activities, recent publications, a listing of soil chemistry related meetings, and other news and information. |
| Moses_Tenywa-Makooma Background information about this african soil scientist. Includes resume and list of publications. |
| Saskatchewan_Centre_For_Soil_Research Provides a range of teaching, training, research, extension and analytical services. Site also features the online courseware 'Saskatchewan Interactive'. |
| Soil_and_Earth_Sciences Massey University, New Zealand |
| Soil_and_Land_Resources University of Queensland, Australia |
| Soil_Plant_Nutrient_Research_Unit Description of current research projects in the areas of soil resources management and global change. Publications and posters available. |
| Soil_Science_Department Technical University, München, Germany. Description of degree courses, research activities and post-graduate work. Includes a list of publications. |
| Soil_Science_Division University of Idaho. Description of research areas and an introduction of the researchers and their projects. Offers several online courses. |
| Harvard_College_Observatory Research observatory for astronomy and astrophysics. Founded in 1839. |
| Institute_of_Theoretical_Astrophysics One of the main centers for exploration of astrophysics in Oslo, Norway. |
| Joint_Center_for_Astrophysics Collaboration between the Laboratory for High-Energy Astrophysics and the University of Maryland - Baltimore County. |
| Max-Planck-Institut_fuer_Astrophysik,_Garching Prominent research institution in astrophysics. |
| Mullard_Space_Science_Observatory Mullard Space Science Laboratory of the University College London. Research and postgraduate teaching in astrophysics, solar physics, plasma physics, climate physics, and detector physics. |
| National_Astrophysics_and_Space_Science_Programme A joint venture of various South African universities, open to students from all over Africa. |
| Rice_University Department of Space Physics and Astronomy. |
| Smithsonian_Astrophysical_Observatory Astrophysical research facility located in Cambridge, Massachusetts. |
| Theoretical_Astrophysics_Center_in_Copenhagen Research center in Denmark on the structure of space, galaxies, and stars. |
| University_of_Cambridge_-_Cavendish_Laboratory_-_Astrophysics_Group A wide-ranging program of research, including the Mullard Radio Astronomy Observatory, situated at Lord's Bridge. Group members, research interests, publications, surveys and catalogues, other resour |
| University_of_Cambridge_-_DAMTP_-_Astrophysical_Fluid_Dynamics_and_Non-linear_Patterns Department of Applied Mathematics and Theoretical Physics. Research, members, seminars, publications. |
| University_of_Cambridge_-_IoA_-_X-Ray_Astronomy_Group Institute of Astronomy. The research of the group focuses on active galaxies, clusters of galaxies, elliptical galaxies, and the X-ray background. |
| Ancients_Could_Have_Used_Stonehenge_to_Predict_Lunar_Eclipses A controversial theory that suggests the ancient Britons had a fine grasp of astronomy. |