About this picture: Haiti Earthquake Starving survivors
Rajiv Shah, head of the US Agency for International Development, said: "The scale of the destruction and the human consequence is just unparalleled.
We're never going to meet the need as quickly as we'd like." Ministers from 11 countries meet in Montreal on Monday to co-ordinate international aid to Haiti and discuss how to shape the country's future.
The first high-powered gathering held since the earthquake struck two weeks ago will, according to Canada's foreign minister Lawrence Cannon, work towards a "clear, common vision" of how to rebuild the devastated country.
There have been calls for a "Marshall Plan for Haiti" from some experts on the region, and warnings that the US alone would have to contribute $5 billion (£3 billion) over the next few years to stabilise its troubled neighbour.
The meeting will be attended by Hillary Clinton, the US Secretary of State, Jean-Max Bellerive, the Haitian prime minister, Bernard Kouchner, the French foreign minister, and John Holmes, the British head of the United Nations Development Programme.
Officials said that a variety of ideas will be on the table, including whether or not to relocate the capital Port-au-Prince, which lies perilously close to a fault line and is now in ruins.
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