| WITec_GmbH Manufacturer of equipment for scientific and industrial applications focused on new solutions for Optical and Scanning Probe Microscopy. |
| X-ray_3-dimensional_Non-destructive_Microscopy Developer and producer of microtomography (Micro-CT) system for non-destructive 3-dimensional microscopy inside opaque objects. |
| X-TRONIX_Scientific_and_Industrial_Technologies Provides equipment for vacuum techniques, including consumables, thin films and surface science, gas flow control, helium cryogenics, and particle physics. |
| Australian_Permaculture_Information_and_Design_Service Information on organic and permaculture agriculture. |
| Central_Rocky_Mountain_Permaculture_Institute,_Basalt,_Colorado Permaculture training in the Colorado Rockies or the Bahamas. Also consulting. |
| David_Holmgren David Holmgren was the research student and co-originator with Bill Mollison, his research supervisor, of the permaculture concept. |
| EcoLandTech Extensive web directory of permaculture and related topics. |
| Eugene_Permaculture_Guild Organization seeks to educate members and the community about the principles of sustainable living. Features photos, events and newsletter. |
| The_Food_Forest A 40 acre permaculture demonstration, and production property at Gawler, South Australia. Offers consulting services, learning courses, information, and tours. |
| Four_Frogs_Permaculture_Design Offers sustainable design solutions for your balcony or backyard. |
| Green_Mountain_Permaculture Teaches and practices permaculture design on the shores of Lake Champlain in northern Vermont. Site also offers a photo galley of projects and articles. |
| Instituto_de_Permacultura_Cerrado-Pantanal Good collection of permaculture information resources, with special focus on projects, courses, people, and newsletters in Brazil. (English, Spanish, and Portuguese languages) |
| International_Institute_for_Ecological_Agriculture Information, reading list, and links on permaculture and community-supported agriculture. |
| Introduction_to_Permaculture__Concepts_and_Resources Appropriate Technology Transfer for Rural Areas (ATTRA) guide to Permaculture. |
| Klein_Karoo_Sustainable_Drylands_Permaculture_Project Klein Karoo sustainable drylands permaculture project is a permaculture eco-village in South Africa |
| Kootenay_Permaculture_Institute Information about the permaculture research and education undertaken by the institute based in British Columbia, Canada. |
| La\'akea_Permaculture_Gardens/Permaculture_in_Hawaii Offers month-long courses in permaculture design and deep ecology. |
| Naturewise_Permaculture_and_Forest_Gardens About programs in London, UK, promoting permaculture and forest gardens, including courses on permaculture. |
| Permaculture__From_Down_Under Introduction to permaculture in hot climates. |
| The_Permaculture_Activist North American permaculture periodical, providing a current listing of upcoming permaculture design courses, and offering articles on permaculture design, edible landscaping, bioregionalism, aquacultu |
| Permaculture_in_New_Zealand Information about the world of permaculture in New Zealand. Site also has event listings and a question and answer forum. |
| Permaculture_International_Ltd Publisher Permaculture International Journal, now a networking organization connecting permaculture groups and activists as well as offering an electronic newsletter. |
| Permaculture__Method_of_Agriculture,_Way_of_Life Article describes the permaculture philosophy, outlines its history, and discusses prospects for its future. From Catalyst, a student magazine at Brown University. |
| Permaculture_Portal Provides users with a helpful gateway to permaculture courses, events, services, and resources. The Portal is also the online home for the Bullocks' permaculture site in Orcas Island, Washington. |
| The_Permaculture_Project Promotes true self-reliance for all through personal and customized consultation, research, design, implementation, workshops and seminars. |
| Permaculture_Research A collection of basic information on a wide range of topics connected with permaculture and sustainable growing. |
| Permaculture_Research_Institute About permaculture and PRI's hands-on permaculture courses in ecological design, environmental restoration, appropriate technology and sustainable agriculture. New South Wales, Australia. |
| Permaculture_The_Earth Offers information about sustainable design and interactive forums for the discussion of topics related to permaculture. |
| Permaculture_Visions_International Worldwide Permaculture School and support network with students in over 20 countries. Collection of writings and ideas about permaculture. Offers permaculture courses by distance learning. |
| Permanent_Publications Subscription information for Permaculture Magazine and a catalogue of available books, videos, and other resources focused on permaculture in the UK. |
| Pierre\'s_Permaculture_Page Information on permaculture (including its ethics and principles), where to take permaculture courses, and other links. |
| Robert_Hart\'s_Forest_Garden A small celebration of Robert's forest garden at Wenlock Edge, described as 'possibly the UK's only fully developed Permaculture Project.' |
| SEED_International Environmental planning and design for permaculture and ecologically sound village designs. Australia. |
| Sustainability_as_Seen_from_a_Vegetable_Garden The site is an honours thesis completed in 1999. It looks at urban sustainability as highlighted by community gardens in Sydney, Australia. |
| UK_Permaculture_Association Provides information about the association, courses, UK links and general permaculture information. |
| Weeds_or_Wild_Nature? 1997 article by David Holmgren, one of the co-founders of the permaculture movement, discusses the evolution of ideas related to environmentally progressive responses to weeds and pests, with particul |
| Academy_of_Alchemy_(Chemistry) Self-paced and self-learning distance chemistry education. There is a cost for a 'hypertextbook' and a different cost for online tutoring, if requested. |
| ACS_Education ACS education programs provide teachers from pre-kindergarten through college with a range of instructional materials to enhance their teaching. |
| Activities_,_Games_and_Quizzes_in_Chemistry Learn facts about the periodic table through quiz activities and games. Identify the chemical symbol given the element name, and the element name given the chemical symbol. |
| All_Chemistry_Trivia Contains multiple trivia quizes in chemistry topics. |
| American_Plastics_Council_(APC)_Classroom A description of the APC's educational programs and partnerships, including programs such as "Hands-on Plastics" and "Busy Busy Planet." |
| Analytical_Chemistry Lecture notes from a course at the University of Akron, Ohio. |
| AquaSchemes The science of water and how it gets turned into pseudoscience by promoters of dubious treatment schemes. |
| Ask-A-Scientist_Archive_-_Chemistry A list of thousands of chemistry questions answered by experts from the U.S. Argonne National Laboratory. |
| Aus-e-Tute Developed by experienced science teachers to provide free chemistry tutorials designed for high school chemistry students. An additional members-only area is available for self-tests and their answer |
| Betha_Chemistry_Tutorial Designed to reinforce basic concepts of chemistry. |
| Cavalcade_of_Chemistry A chemistry resource for high school students, teachers, and homeschoolers. Free lesson plans (worksheets, handouts, labs) and tutorials provided. |
| Center_for_Chemistry_Education Offerings include an array of products, services and free resources that emphasize the hands-on, minds-on nature of science for all ages. |
| Chem101 Online beginning chemistry course. |
| CHEM_13_News An informal magazine published by the Department of Chemistry at the University of Waterloo for teachers of introductory chemistry courses. |
| Chem_Com Gathering place for teachers to exchange information and files with each other. All teachers are invited to upload and download information, relating to the standard eight topics. |
| Chemathon An annual chemistry competition for high school chemistry students in Maryland, Northern Virginia, and the District of Columbia. The Chemathon competition is organized by a committee of area high scho |
| ChemCases_com An NSF-supported curriculum development project, ChemCases is a web-based resource of curriculum supplements for teaching the second semester general chemistry course. Each case study features a numb |
| The_ChemCollective A collection of virtual labs, scenario-based learning activities, and concepts tests which can be incorporated into a variety of teaching approaches as pre-labs, alternatives to textbook homework, and |
| CHEMED-L_Digest_Archives Searchable digest for CHEMED-L, an unmoderated mailing list for chemical educators. The CHEMED-L mailing list is one of the busiest forums for chemical educators on the internet. |
| Chemical_Carousel__A_Trip_Around_the_Carbon_Cycle A look at carbon and its role in the environment and living things. |
| Chemical_Education_Resource_Shelf Details about recommended software, books, models, and articles for the chemical educator. |
| Chemical_Education_Resource_Shelf,_Journal_of_Chemical_Education,_University_of_Missouri-St__Louis Attempts to contain a comprehensive list of chemistry textbooks and pedagogical software available, in categories that correspond with typical curricula. |
| Chemical_Educational_Foundation Educational outreach programs and chemical safety information through competitions and newsletters. Page includes list of events, publications and kids page. |
| Chemical_Esoterica A collection of javascript tests and numerical problems pertaining to chemistry. |
| Chemistry_AP_Exam_Practice Includes problems types of all forms that are found on the Chemistry AP Exam. Solutions to the problems are available. Find out what to expect and how to prepare for the Chemistry AP Exam as well. |
| Chemistry_Curriculum Outline of high school chemistry course curriculum with links to teacher generated assignments and pertinent web sites. Intended to help students and other chemistry teachers. |
| Chemistry_Help_and_Programs Retired college professor offers help for high school and college chemistry students, and programs for high school or first year of college. |
| Chemistry_Help_Page Site for high School chemistry students offering notes, online quizzes and updated and interactive links all organized by topic. |
| Chemistry_Help_Pages_from_Technical_Tutoring Help for common topics in college general chemistry. |
| The_Chemistry_Hypermedia_Project_at_Virginia_Tech Resources for students, educators, and scientists. Self paced tutorials and educator resources. |
