Greenhouse Summer

A hundred years from now, pollution, overpopulation, and ecological disasters have left the rich nations still rich, and the poor nations—the Lands of the Lost—slowly strangling in drought and pollution. New York City is below sea level, surrounded by a seawall. The climate in Paris is much like the twentieth-century climate of long-drowned New Orleans. And Siberia, Golden Siberia, is the crop-land of the world. Still, for the international corporations and businesses who make a profit on technofixing the environment—the Big Blue Machine—it is business as usual: sell what you can where you can whenever you can. It is better to be rich. But it all may be coming to a terrible end: a scientist has predicted Condition Venus, the sudden greenhouse downfall of the entire planet—but she can't say when.

Synopsis from Open Library.