A new exhibition at the Boston Public Library’s Leventhal Map Center: Regions and Seasons: Mapping Climate Through History. “In this exhibition, you will discover how ‘Venti’ were wind personas who directed ancient ships and ‘Horae’ were goddesses of the seasons who dictated natural order during the 15th-17th centuries, how Enlightenment scientists started to collect and map weather data, and how 19th century geographers reflecting the golden age of thematic cartography created innovative techniques to represent vast amounts of statistical data and developed complex maps furthering our understanding of climatic regions.” Runs through August 27; also online.