Where Are They Now? 6 Green Superstars from the Past

An update on icons of the environmental movement.
Jan 1, 2014 6:00 AM ET

America’s green revolution has had plenty of foot soldiers over the years, both real and fictitious. And since the end of a year is a good time for reflection, we thought it would be fun to check in with these important figures in environmentalism’s history, to remember their contributions to the cause, and to see where they are now.