Earth Day is a good time to look back and reflect upon the more dire predictions regarding the environment and life on earth. Here are some from 1970, Earth Day’s inaugural year.“…civilization will end within 15 or 30 years unless immediate action is taken against problems facing mankind.” -Biologist George Wald, Harvard University, April 19, 1970. By 1995, “…somewhere between 75 and 85 percent of all the species of living animals will be extinct.” -Sen. Gaylord Nelson, quoting Dr. S. Dillon Ripley, Look magazine, April 1970. Because of increased dust, cloud cover and water vapor “…the planet will cool, the...