Yerba Buena Islanders’ Icarus-like plunge from their remote mountaintop into the contaminated air, soil and water of Treasure Island’s radiological and chemical cleanup zone is imminent. This was the main topic at the Treasure Island Development Authority board’s Wednesday, April 8, 2015, annual on-island meeting. Yerba Buenans facing fall 2015 eviction who normally don’t attend because they feel unheard and their issues ignored, presented their concerns.