Gloucestershire Branch of Butterfly Conservation
- Includes comittee members and A guide to the butterfly species and habitats of the county.
- http://www.gloucestershire-butterflies.org.uk

Cotswolds Area of Outstanding Natural Beauty
- A landscape of special importance. Details of conservation projects, visitor facilities and attractions, news and events, and contact details.
- http://www.cotswoldsaonb.com/

Gloucestershire Wildlife Trust
- A local charity working for wildlife conservation in Gloucestershire.
- http://www.gloucestershirewildlifetrust.co.uk/

Gloucestershire Wildfowlers
- Features news, history and photographs.
- http://www.gloucestershirewildfowlers.co.uk/

Cleeve Common Board of Conservators
- Provides information about the common, its wildlife, geography and history, along with news and details of the work of the conservators.
- http://www.cleevecommon.org.uk/

Gloucestershire Geology Trust
- Features records, news and courses.
- http://www.glosgeotrust.org.uk/

Westonbirt Arboretum
- Details of the collection, including rare trees, champion trees, and visitor facilities at this national arboretum. Westonbirt, Glos.
- http://www.forestry.gov.uk/westonbirt

Gloucestershire Orchard Group
- Aims to conserve and promote traditional orchards. Includes information on fruit varieties and crop management.
- http://www.orchard-group.uklinux.net/glos/

Barn Owl Centre of Gloucestershire
- Dedicated to the welfare and conservation needs of owls and other birds of prey, whether their origin is wild or captive bred.
- http://www.barnowl.co.uk/

Gloucestershire Naturalists' Society
- Natural history group that records all of the wildlife in the county. The society is membership based and organises lectures and field meetings. Includes a diary and news.
- http://www.glosnats.org.uk/

Recycling Information from Get it Sorted
- Information on recycling, composting, reuse and reduction of waste in the county. Details of The Get it Sorted campaign on waste reduction.
- http://www.getitsorted.org

Cotswold Astronomical Society
- Serving amateur astronomers in the area. Includes a gallery and events.
- http://www.cotswoldas.org.uk