The Long Road From Rio

If only the results could be as spectacular as the spectacle. By June 3, at least 30,000 delegates, heads of state, and assorted hangers-on will have descended on Rio de Janeiro for the U.N. Conference on Environment & Development (UNCED)--the most ambitious global summit in history. So high-profile is the conference that Brazil has spent $800 million to spruce up the city--remodeling the airport, paving streets, cleaning up roadsides, and fencing in parks to keep the homeless away.

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