Sea-Tac, one of the 10 busiest airports in the United States, just made native plants mandatory. That is not a small decision. That is 2,500 acres of future landscaping reclassified as ecological infrastructure.Seattle-Tacoma International Airport's 2025 Landscape Standards — adopted by the Port of Seattle and effective for all new construction and renovation projects — require that native Pacific Northwest species constitute the primary plantin…
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