West Marin can’t do much about the fog, but perhaps it can do something about its night sky.   

A petition launched by DarkSky West Marin is asking the Marin County Board of Supervisors to integrate dark sky-friendly lighting policies into the upcoming coastal visioning process and county codes. New lighting rules would bolster changes that have so far been voluntary and limited, the group says.   

West Marin is among the 1…