McEwen is the home of the Irish Picnic, a fundraiser for the local St. Patrick Church and School. It was established in 1854 and was recognised in 1988 by the Guinness Book of World Records as The World's Largest Outdoor Barbecue.
Quick Answer. Factors that cause population growth include increased food production, improved health care services, immigration and high birth rate. These factors have led to overpopulation, which has more negative effects than positive impacts.
Now that we have learned about the factors that increase population size, let's investigate the factors that have the opposite influence. The first factor that results in a decrease in the population size is mortality.