The tall vegetation surrounding Carrie Grassi, Freshkills Park land-use and outreach manager, grows atop what was formerly the world’s largest landfill: 150 million tons of (mostly) garbage, accumulated over more than half a century. Photo 3 of 3 in Staten Island

Staten Island

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The tall vegetation surrounding Carrie Grassi, Freshkills Park land-use and outreach manager, grows atop what was formerly the world’s largest landfill: 150 million tons of (mostly) garbage, accumulated over more than half a century.