| Association of National Park Authorities (ANPA) | www.anpa.gov.uk |
| British Geological Survey (BGS) | www.bgs.ac.uk |
| Centre for Ecology and Hydrology (CEH) | www.ceh-nerc.ac.uk |
| Chartered Institution of Water and Environmental Management (CIWEM) | www.ciwem.org.uk |
| Council for National Parks (CNP) | www.cnp.org.uk |
| Campaign to Protect Rural England (CPRE) | www.cpre.org.uk |
| Country Land & Business Association (CLA) | www.cla.org.uk |
| Countryside Council for Wales (Cyngor Cefn Gwlad Cymru) | www.ccw.gov.uk |
| Crown Estate | www.crownestate.co.uk |
| Eco Schools | www.eco-schools.org.uk |
| Encams | www.encams.org |
| English Heritage | www.english-heritage.org.uk |
| Environment Agency | www.environment-agency.gov.uk |
| Environmental Data Services (ENDS) | www.ends.co.uk |
| Forum for the Future | www.forumforthefuture.org.uk |
| Freshwater Biological Association | www.fba.org.uk |
| Friends of the Earth (FoE) | www.foe.co.uk |
| Green Alliance Trust | www.green-alliance.org.uk |
| Greenpeace | www.greenpeace.org.uk |
| Institution of Water Officers (IWO) | www.iwo.org.uk |
| International Water Association (IWA) | www.iwahq.org.uk |
| Marine Conservation Society | www.mcsuk.org |
| National Society for Clean Air & Environmental Protection | www.nsca.org.uk |
| National Trust | www.nationaltrust.org.uk |
| Natural England | www.naturalengland.org.uk |
| Natural Environment Research Council (NERC) | www.nerc.ac.uk |
| Ramblers Association | www.ramblers.org.uk |
| Royal Horticulture Society | www.rhs.org.uk |
| Royal Society for the Protection of Birds (RSPB) | www.rspb.co.uk |
| Royal Town Planning Institute | www.rtpi.org.uk |
| Scottish Environment Protection Agency (SEPA) | www.sepa.org.uk |
| Scottish Rural Property and Business Association | www.srpba.com |
| Socialist Environment and Resources Association (SERA) | www.serauk.org.uk/ |
| Soil Association | www.soilassociation.org |
| Surfers Against Sewage (SAS) | www.sas.org.uk |
| Sustainable Development Commission | www.sd-commission.gov.uk |
| Thames 21 | www.thames21.org.uk |
| Town & Country Planning Association | www.tcpa.org.uk |
| UK Environmental Law Association (UKELA) | www.ukela.org |
| UK Centre for Economic and Environmental Development (UKCEED) | www.ukceed.org |
| Wildfowl & Wetlands Trust (WWT) | www.wwt.org.uk |
| Wildlife and Countryside Directorate | www.defra.gov.uk/wildlife-countryside |
| Wildlife Trusts | www.wildlifetrusts.org |
| Women's Environmental Network | www.wen.org.uk |
| Worldwide Fund for Nature | www.wwf-uk.org |
