Vatican Gardens

More than 300,000 umbrella pine trees dot Rome's streets and skyline. The Vatican is home to some 150 umbrella pine trees. (Courtesy of Mary Shovlain)

Rome's famed pine trees may face extinction. What will the Vatican do to save theirs?

Vatican City's famed umbrella pine trees have been affected by a parasite. The arrival of a non-native species is proof of Pope Francis' admonition that "everything in the world is connected."

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