Complex sentence: As the economy and population grow the town of Unalaska can have trouble meeting the needs of citizens and travelers, infrastructure such as water plant treatment, landfills, doctors, and the police are pushed to the limit.
Split into simpler sentences: As the economy and population grow, the town of Unalaska can have trouble meeting the needs of citizens and travelers. Infrastructure such as water plant treatment, landfills, doctors, and police are pushed to the limit.