English Nature

The statutory service responsible for looking after the wild plants, animals,
biodiversity, and natural features of England. Includes details of projects,
programmes and publications, virtual tours of nature reserves, and volunteer
information.

http://www.english-nature.org.uk/

Kemerton Conservation Trust

A charitable trust promoting the conservation and preservation natural and man
made beauty through countryside stewardship in the Worcestershire,
Gloucestershire and Herefordshire area.

http://www.kemerton.org/

Peak District National Park Authority

Features a learning zone and visitor information.

http://www.peakdistrict-npa.gov.uk

Sussex Biodiversity Records Centre

Works with naturalists to provide biological information on the species and
habitats of Sussex. Reports on rare and protected species, surveys, designated
and non-designated areas and key habitats and features.

http://www.sxbrc.org.uk/