The Green Party in the United Kingdom is a democratic organisation in which their members from all walks of life and not only professional politicians, decide on policy. The policy process produces an organic and evolving document known as ‘Policies for a Sustainable Society or PSS, that reflects the party’s current priorities and principles. The Green Party International policy recognises that co-operation is needed at a global level in order to secure sustainable societies in the UK, and outlines its vision in this document.