Certainly, there are not enough people interested in doing that to allow real change in a community where smog levels are concerned (Carle, 2006). Since smog is mostly made by cars and trucks, a much-reduced number of these vehicles would be required - and asking a commuter to give up his or her car is asking a lot. Still, there are options. Hardin (1968) talked of the need for a wide-scale adjustment to morality. This would be the easiest and best solution: everyone just wakes up one day in a collective mood to "do the right thing," and then they actually do it from that day forward, happily and without any wavering.

That might sound like utopia, but it is also completely unrealistic. The people in California and in Central Valley have absolutely no interest as a collective group in doing things this way. Their group morality is mostly set...
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