" A 2014 survey of a thousand American parents showed that 68 percent want to ban children age nine and under from playing unsupervised at parks, and 43 percent want a law prohibiting children who are twelve years and under from doing the same thing. "

― Linda Åkeson McGurk , There's No Such Thing as Bad Weather: A Scandinavian Mom's Secrets for Raising Healthy, Resilient, and Confident Kids (from Friluftsliv to Hygge)