California has pioneered and employed an array of incentives and regulations
to combat the health effects of wood smoke and today represents a complex patchwork of
California faces some of the most challenging air pollution issues in the country.
Not only is California the largest state in terms of population, but this population occupies
the third largest state by land area in the US. To deal with the distinctive issues caused by
great population density and geographical diversity, California divided into thirty-five
‘Air Districts.’ Since each district has a unique set of regulations concerning wood heat,
California has become an excellent case-study for the different approaches to wood heat
policy. In this article we will dissect the various laws and their permutations throughout
California and highlight some of the most effective and environmentally friendly
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