Edinburgh Sustainable Development Partnership
- Offers group news, member details, projects and ability to submit comments. Also has a members area.
- http://www.esdp.org.uk/

Friends of the Earth (Edinburgh)
- Offers information on public talks and events, campaigns and a newsletter.
- http://www.foe-edinburgh.org.uk/

Edinburgh Centre for Tropical Forests
- Association supporting the sustainable management of forests and their contribution to society throughout the world. Details services, projects, events and reports.
- http://www.ectf.co.uk/

Contaminated Land Assessment & Remediation Research Centre (CLARRC)
- Centre of excellence for multi-disciplinary research, developing technologies for sustainable, cost effective assessment and remediation of contaminated environments, promoting their transfer to industry.
- http://www.clarrc.ed.ac.uk/

Earth Calling
- Lothian’s leading provider of inspirational, hands-on environmental education, grounds for awareness approved grounds development and wildlife fun and games for primary school age children.
- http://www.earthcalling.org/

Medical Research Council Human Genetics Unit
- Undertakes research to obtain a molecular and cellular understanding of genetic factors implicated in human disease and normal and abnormal development.
- http://www.hgu.mrc.ac.uk/

RSPB Edinburgh Area Members Group
- Includes details of indoor and outdoor meetings and events plus contact and membership information.
- http://www.rspb-edin.pwp.blueyonder.co.uk/

Astronomical Society of Edinburgh
- Amateur astronomy club, who run the City Observatory at the Calton Hill. Information about membership, meetings, events and their history.
- http://www.astronomyedinburgh.org/

The Water of Leith Conservation Trust
- Information on this organisation, its interactive visitors centre, walkways, and conservation.
- http://www.waterofleith.edin.org/

The Royal Botanic Garden
- Thirty-one-hectare gardens founded in the 17th century. Open to the public.
- http://www.rbge.org.uk/

Edinburgh Butterfly and Insect World
- Includes some of the worlds most colourful butterflies flying around visitors. Open all year.
- http://www.edinburgh-butterfly-world.co.uk/