The United States Agency for International Development (USAID) and the National Oceanic and Atmospheric Administration have teamed up with other international partners to develop 3D-printed weather stations that will help to predict flash floods in underdeveloped countries, and they use the Pi to collect data and send it to their experts. Read more here. (This article is more about the 3D printing rather than the Pi, which is odd, but you can’t have everything!)