Due to this state's weather and its coastline, it is true that Geography is a key factor that defines the economy of Florida. The warm weather attracts retirees and tourists who in a huge way contribute to the economy. In addition, the warm climate allows for the growth of winter produce and citrus for export. Its extensive coastline made it a capable target during the world war II era and thus, the government constructed airstrips. Today, it is evident that approximately 400 airports are still in service. The coast also contributes to tourism and shipping as well.