Portland’s famed airport forest, celebrated as the nation’s best airport, is facing a green crisis—its prized black olive trees are wilting under the stress of coffee spills and pet accidents. While officials blame human mess, horticulturists suspect deeper issues like insufficient light or poor indoor conditions. With sensitive roots struggling against acidic liquids, PDX is now replacing the failing olives with hardier ficus trees, raising questions about how to balance nature’s beauty with the demands of modern travel.
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