It recommended international financing because the benefits would be global.
The $23.1 billion in international financing includes $731 million to fight the drug trade in South America.
Sales agreements will be essential to winning international financing.
The leaders vowed new cooperation to cut off international financing and arms trafficking by terrorists, but the hardest work is still to come.
The reason, he said, was that "international financing has become more and more important."
Among the items stamped confidential were news articles about international financing for the project.
We introduced a more comprehensive visa ban and prohibited support for international financing.
Adequate international financing will be essential to reach an effective agreement in Copenhagen.
For major mining companies, and any company seeking international financing, there are however a number of other mechanisms to enforce good environmental standards.
China hopes to gain international financing for some of the costs.