What evidence is there that states are losing their influence over
global governance to non state-actors?

Hello.

A convincing argument can indeed be made that the role of non-state
actors in governance is increasing at the expense of state power. 
Such an argument is made by Irfan ul Haque in Non-State Actors and
Global Governance (http://www.g24.org/haque.pdf) and by Volker
Rittberger in his book _Global Governance and the United States
System_ (abstract available:
http://www.unu.edu/unupress/new/ab-globalgov.html).

Certainly it is true that transnational organizations do have an
increased role in global governance.  The World Bank's insistence upon
states to enact certain policies in order that they continue to
receive loans and aid is an obvious example.  Taking out these loans
is of course technically the choice of the leaders of the states, but
the consequences of these choices certainly include a loss of
influence over governance for future leaders and especially for the
people of that state.  Information about just one instance of a World
Bank decision overruling one of a government (Mozambique) is available
at http://allafrica.com/stories/199710260030.html.  Other examples are
rather easy to find on sites critical of World Bank policies.

However, it is important to not that the major point of authors like
ul Haque is that these transnational non-state actors actually wind up
benefitting rich nations (and thus their governments) and can also be
considered, if one wishes to portray them in this way, as an extension
of the rich nations' governments' power.  This would be, if it is the
case, merely a reflection of the relationship between governments and
businesses that has long existed.  See the history of the British East
India Company (http://www.wikipedia.org/wiki/British_East_India_Company)
for an example.  At the same time, it is clear that these actors think
of themselves as independent and act as if they are.

Please let me know if you need clarification before you rate this
answer.  Thanks for your quesiton and thanks for using Google Answers.

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surajambar-ga

Some, not all, consevatives and right wingers agree that freedom is
being userped by rich and powerful internationalists. Few Democrats
nor liberals are of this opinion. In my city of almost a million
persons (Jacksonville, Florida), the local school board seems to
rubber stamp whatever our mayor wants often 22 to nothing. Anti mayor
debate is rarely even tolerated by the school board and some other
groups that should be independent, or at least debate the pros and
cons. Some of these programs are based on international objectives, so
it appears we rushing toward a world dictatorship controlled by mostly
by rich and powerful internationalists. Try conspiracy theories in a
search engine. Much of this is nonsense designed to cause us to reject
all conspiracies, but I believe our planet is heading toward big
trouble. Do you think anyone with any authority reads any of the
letters or E-mails we send the
UN,WTO,NATO,GATT,NAFTA,CFR,Bildabergers, or Club at Rome?