City life is loud, and the cacophony of noises in urban areas can be bad for human health. Noise pollution pumps up stress levels and damages our hearing, and it can even increase the risk of diabetes and heart disease. The nonprofit Quiet Parks International is on a mission to preserve quiet areas and their health benefits. The World’s Host Marco Werman spoke to Ulf Bohman, the group’s executive director, who joined the show from the town of Åre in central West Sweden.