In 1989, the Associated Press relayed a warning from a U.N. official: "A senior U.N. environmental official says entire nations could be wiped off the face of the Earth by rising sea levels if the global warming trend is not reversed by the year 2000." In 1967, a best-selling book came out called “Famine 1975! America’s Decision: Who Will Survive?” It predicted mass starvation around the developing world due to increasing population. “Today’s crisis can move in only one direction – toward catastrophe,” it warned. Global cooling was once a worry to many, such as University of California at Davis...