Not having kids.
Sterilization through the food supply...mark my worlds, as evil as it sounds it will happen...
Genocide seems to work quite well...<br />
Of course it all depends upon who it's directed @
War. Not my favorite. But eFfective and profitable.
Each year about 443,000 people in the United States die from illnesses related to tobacco use. Smoking cigarettes kills more Americans than alcohol, car accidents, suicide, AIDS, homicide, and illegal drugs combined.
good ole war
You can't beat a good ol H-bomb.