| Aviation Environment Federation | | Deals with the adverse environmental impacts of aviation, including noise, air quality, climate change and sustainability issues. |
| EcoTech | | Exhibition and display centre based on sustainability. Information about the centre, the wind turbine, grounds and facilities. Details for visitors, and of conference services. Swaffham. |
| Edinburgh International Science Festival | | Annual event in early April includes events and shows relating to science and technology. Features exhibitions, workshops, tours, talks, demonstrations and hands-on activities, all aimed at the general public. |
| Electronics Weekly HyperActive | | Source of information for electronics engineers providing a customisable news, recruitment and product information service. |
| Mapping a future for ancient trees | | Co-operative attempt to record and survey Britain's old trees, including the fattest, oldest, and most rotten. Interactive map, search by species, Elm Map Project. |
| Positive Power | | News about renewable energy, survey, free email, search facility and web links. A UK based portal for renewable energies and environmental technology. |
| ScienceNet | | A free science information service, staffed by scientists who are expert in explaining complex topics in everyday language. Search the online database of previously answered questions, otherwise submit a question via e-mail. |
| The Institute of Physics | | The site for physics and physicists, including information on Institute membership and activities, online news, books, magazines and journals. |
| The Naked Scientists Online | | Contains science articles, online discussion forum, interviews with famous scientists, book reviews and free MP3 downloads of their science radio shows. |
| The Royal Society | | Dedicated to recognizing excellence in science, furthering the role of science, engineering and technology and promoting public understanding of science. |
| The Tree Council | | Founded in 1974 to improve the environment in town and country by promoting the planting and conservation of trees and woods. |
| The Tree Register | | Registered charity with database of over 125,000 big, ancient, historical and tall trees in the UK. Some website facilities available to members only. |
| Trinity House | | The general lighthouse authority for the UK and Gibraltar. Offering consultancy in the fields of marine pollution, meterological studies, port asset management and renewable resources. |
| Web of Knowledge | | Citation and journal database. For academic users, requires authentication and login. |
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