| Company | Timeline | Status | |
| Woodland Trust(The) Director • Consultant | 12 Oct 2004←3 Years→17 Sep 2008 | Active | |
| Campaign To Protect Rural England Director • University Professor | 11 Oct 2001←4 Years→29 Jun 2006 | Active | |
| WWF-UK Director • University Professor | 1 Jul 2001←1 Year 11 Months→1 Jun 2003 | Active | |
The Gloucestershire Environmental Trust Company Director • Univeristy Lecturer | 29 Mar 2001←8 Years→22 May 2009 | Dissolved | |
| The Green Alliance Trust Director • Environmental Consultant | 24 Mar 1995←8 Years→17 Dec 2003 | Active | |
| Television For The Environment Director • Freelance Consultant | 8 Dec 1992←11 Months→9 Nov 1993 | Active | |
| WCMC Director • University Professor & Free La | 9 Nov 1992←7 Years→29 Mar 2000 | Active | |
| The Green Alliance Director • Environmental Consultant | 26 Mar 1992←11 Years→17 Dec 2003 | Dissolved | |
| Television For The Environment Director • Unreported | 1 Jan 1970←23 Years→9 Nov 1993 | Active | |
