Many ecologists view human overpopulation as the foundation of all environmental problems.
Thus many believe the most important environmental groups in the world to be ones like Zero Population Growth from which the above quote comes. ZPG is currently launching its Y6B campaign to focus on the year when the world reached 6 billion people. Symbolically, Oct. 16 was chosen as the day. ZPG's intent is to get national media icons like Tom Brokaw, Dan Rather and Peter Jennings to emphasize the problem all 6 billion of us face. Anyone following environmental issues can identify a variety of issues of critical importance in the United States or worldwide.