metamorphosed into a tapestry of self-seeding wildflowers and domestic blooms. It isn’t the first raised park (there’s the Promenade Plantée in Paris, and remember the Hanging Gardens of Babylon?), but the High Line is the loveliest city rail trail I know.
Picturesque, with many scenic views, it’s also richly detailed and alive, allowing you to feel elevated in spirit, floating in a garden in space where butterflies, birds, humans, and other organisms mingle. In a practical sense, it’s a lofty shortcut, a sky alley that avoids all the intersections. A million people have already strolled its landscaped corridors, and it’s inspired other cities hoping for similar sky parks. Chicago, Mexico City, Rotterdam, Santiago, and Jerusalemare among those following suit with their derelict trestles, each an urban renewal project featuring regional plants and its own special character or sense of humor. In Wuppertal, Germany, the rails-to-trails corridor includes a brightly colored LEGO-style bridge. Like the wastewater wetlands, such projects are widening our notion of recycling and yielding an urban lifestyle that’s interwoven with nature.
As one salve in our medicine cabinet of good ideas, these vest-pocket urban parks and wildlife corridors have deep roots around the world, from nest boxes for storks in Romania, Switzerland, Poland, Germany, Spain, and other havens along their well-flapped migration routes to species-rich Central Park in the heart of New York City, London’s eight city parks (in several of which deer roam), the temperate rainforest of Vancouver’s Stanley Park, Moscow’s Losiny Ostrov (“Moose Island”) National Park, Sanjay Gandhi National Park in Mumbai, sod roofs and greenways from Germany to the Faroe Islands, St. Luke’s Hospital rooftop garden in Tokyo, mandatory rooftop gardens in Copenhagen (and proposed in Toronto). A surprising jumble of native species thrives in and around heavily planted Rio de Janeiro, Istanbul, Cape Town, Stockholm, and Chicago, which have become biodiversity hotspots. Then there’s Singapore’s big, blooming, downtown Gardens by the Bay, enriching city life with more than 240,000 rare plants, flowers, and trees in domes that rise sixteen stories over the city. Including a cloud forest and aerial walkways, the gardens collect rainwater, generate solar electricity, and bathe the air. Opening on June 29, 2012, they drew 70,000 nature-hungry visitors during the first two days.
Although these new city oases won’t work for all species, or for all communities, the trend for rewilding our cities is growing. It’s positive, it enlightens, it’s widespread, and it helps. We need to retrofit and reimagine cities as planet-friendly citadels. They’re our hives and reefs. Sea mussels aren’t the only animals living in individual shells that are glued together.
A GREEN MAN
IN A GREEN SHADE
A s a child, Patrick Blanc loved going to the doctor’s office. A six-foot-long aquarium in the waiting room tickled his eyes with colorful tropical fish and plush green plants that swayed in the current and beckoned like hands. To an urban boy growing up in the Parisian suburbs, it offered a glimpse of paradise. When he put his ear to the small box attached to the aquarium, he heard the bubbling of water through tubes and the filter’s hum. The hydraulics and engineering intrigued him as much as the fish, and before long he designed his own small aquarium at home. For a spell, he also adopted coral-beaked waxbills, setting them free on Thursday and Sunday mornings to fly around the apartment.
As he entered adolescence, his nomadic curiosity drifted from aquariums and birds to aquatic plants, and then, at fifteen, he leapt above the waves to the world’s moist shaded zones, the mysterious understory of tropical forests. A college trip to the rainforests of Thailand and Malaysia brought the revelation that “plants could sprout at any height, not merely from the ground.”
Now a
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