Lone Star College ShootingA heavily armed policeman walks along at the Lone Star College North Harris campus Tuesday Jan. 22, 2013 in Houston. A shooting at the Texas community college wounded three people Tuesday and sent some students fleeing for safety while others with medical training helped tend the wounded.Thus from 1990 to 1995 the lumber industry in the United States maintained a growth rate of about 3.5 percent by cutting down the equivalent of 1.5 million more trees than they had the previous fiveyear period. However, in order to maintain the same 3.5 percent growth rate from 2005 to 2010, they had to cut down the equivalent of 2.5 million more trees. Extrapolate those growth figures to automobiles, fish stocks, water usage, etc., and the difficulty of sustaining exponential growth becomes more easily apparent..

The concept was first developed in the late 1940's by a man named Shigeo Shingo. In 1950, it was adopted by Toyota as part of their Lean Manufacturing p