Complex sentence: The impetus for this resolution was the increasing number of trailer parks for housing the migrant workers employed locally in the service sector and ski industry, which were perceived to be degrading to the town's image, property values, and environment.
Split into simpler sentences: The impetus for the resolution was the increasing number of trailer parks that housed the migrant workers employed locally in the service sector and ski industry. The parks were perceived to be degrading to the town's image, property values, and environment.