In the 1970's we could not build more power systems because of air pollution laws, and needed growth in capacity from somewhere. (thebreakthrough.org)
Indeed, he and others said, a number of solutions cost little money and involve already existing technologies or air pollution laws. (scientificamerican.com)
I first toyed with this notion, and the possibility that citizens could collect a bounty (as has been the case with water pollution laws) on Twitter last year: (dotearth.blogs.nytimes.com)