THE HEMISPHERE: Largest Laboratory

In the halls and on the terraces of Mexico's modernistic, new Teachers College, two Brazilian scientists were doing the ablest lobbying job of the UNESCO conference. Their project: a scientific study of the Amazon basin.

Many a delegate thought that the Amazon could wait, but Scientists Paulo de Barredo Carneiro, biologist, and Carlos Chagas, biophysicist, were in no waiting mood. To fellow delegates, they kept hammering their points. Sample: "If [the Amazon] could be brought into food production, the world would be able to support its population." Last week they won. UNESCO...

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