The issues of rain forests, the ozone hole and the waste of energy, and many other stories have passed their catastrophic prime but remain important. But the environmentalists have shot the wad. The emergency stories have been done, the anxiety expended, the hour passed. Environmental groups have thrived on catastrophism. Yet the war is being lost. Slowly, relentlessly, the world grows more damaged. Environmentalists urge corporations to be more cautious and farsighted. Maybe they should take their own advice.