This weekend Gordon Brown and 20 other world leaders will discuss the big issues - climate change, security threats, global poverty and economic globalisation - at the Progressive Governance Summit in London.
And the Prime Minister invites you take part in the debate by logging on to http://progov.pm.gov.uk.
Here you can read and comment on the key papers being presented at the Summit. And on Saturday, watch the event live and comment on issues as they are raised.
Have you say at http://progov.pm.gov.uk
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