Rother Valley Birding
- Information about birds and other wildlife along the valley; includes details of reserves, listed sightings, and photos.
- http://www.rothervalleybirding.co.uk/

CPRE South Yorkshire
- Local branch of the national Campaign to Protect Rural England encouraging sustainable use of land and natural resources. Information about their campaigns, newsletter, advice on planning, and a listing of walks in the area.
- http://www.cpresouthyorks.org.uk/

South Yorkshire Forest Partnership
- Regenerating and revitalising the greenspace in and around major towns and cities; information about their projects, partners, educational programme, news and events.
- http://www.syforest.co.uk/

South Yorkshire Badger Group
- Formed to protect the badger and its environment throughout South Yorkshire; information about the animal, their conservation work, news, membership and contact details.
- http://www.sybadgergroup.f9.co.uk/

Fuelling a Revolution
- A project to restore and conserve areas of woodland in the county which historically fuelled the region's early iron and steel industry. Information about the programme, events, educational activities, and public access.
- http://www.heritagewoodsonline.co.uk/

EASY: Environmental Action around South Yorkshire (2005/06 edition)
- A directory of local environmental organisations, projects and campaigns. Compiled and edited by Roger Butterfield.
- http://www.btinternet.com/~rb.freelance/easy/home.htm