Other interesting links have been made recently between climate or weather and mental health. Specifically, scientists have linked suicide rates not just with the early-summer time period and with barometric pressure, but with air pollutants such as particulate matter, sulfur dioxide, and ozone as well. Read about that pollution-related finding in Psychiatric News. In fact, with the arrival of global warming and its ability to trigger extreme weather events, eco-psychiatry may be an emerging field. For more information on the subject, see Psychiatric News.