Warming Trends: A Baby Ferret May Save a Species, Providence, R.I. is Listed as Endangered, and Fish as a Carbon Sink A column highlighting climate-related studies, innovations, books, cultural events and other developments from the global warming frontier. February 27, 2021 Providence, Rhode Island skyline in the morning from the Providence River in Autumn. Credit: Joe Sohm/Visions of America/Universal Images Group via Getty Images Related Putting a City on the Endangered List Every year, the Providence Preservation Society solicits input from the community to determine the most endangered buildings in the Rhode Island capital. But Rachel Robinson, the society’s director of preservation, did a double take when she saw an application to list the entire 385-year-old city as endangered.