Peter Willetts, Professor of Global Politics at City University, London, describes nongovernmental organizations:
"The term, "non-governmental organization" or NGO, came into currency in 1945 because of the need for the UN to differentiate in its Charter between participation rights for intergovernmental specialized agencies and those for international private organizations. At the UN, virtually all types of private bodies can be recognized as NGOs. They only have to be independent from government control, not seeking to challenge governments either as a political party or by a narrow focus on human rights, non-profit-making and non-criminal.
The structures of NGOs vary considerably. They can be global hierarchies, with either a relatively strong central authority or a more loose federal arrangement. Alternatively, they may be based in a single country and operate transnationally. With the improvement in communications, more locally-based groups, referred to as grass-roots organizations or community based organizations, have become active at the national or even the global level. Increasingly this occurs through the formation of coalitions. There are international umbrella NGOs, providing an institutional structure for different NGOs that do not share a common identity. There are also looser issue-based networks and ad hoc caucuses, lobbying at UN conferences. In environmental politics, this occurs in the unique form of the nine "Major Groups", listed in Agenda 21.
At times NGOs are contrasted with social movements. Much as proponents of social movements may wish to see movements as being more progressive and more dynamic than NGOs, this is a false dichotomy. NGOs are components of social movements. Similarly, civil society is the broader concept to cover all social activity by individuals, groups and movements. It remains a matter of contention whether civil society also covers all economic activity. Usually, society is seen as being composed of three sectors: government, the private sector and civil society, excluding businesses.
NGOs are so diverse and so controversial that it is not possible to support, or be opposed to, all NGOs. They may claim to be the voice of the people and to have greater legitimacy than governments, but this can only be a plausible claim under authoritarian governments. However, their role as participants in democratic debate does not depend upon any claim to representative legitimacy."
Quoted from Peter Willett's essay "What is an non-governmental organization?"
Non-Governmental Organisations in World Politics by