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All in Rooftop Farm
Singapore now has more than 1,000 allotment gardens in a dozen of its national parks. Each is a raised planter bed measuring 2.5 meters by 1 meter, and can be leased for three years for S$57 ($42) annually
When most people think of urban farming in New York City, they picture a bearded Brooklynite picking kale from atop a warehouse while drinking a home-brewed beer. And while that person does exist, there are a lot of other farms in this city that don’t fit the stereotype
The rooftop farm, using 1200 sq m of hydroponics, will produce 60-80 tonnes of mixed vegetables a year – largely leaves such as lettuce and spinach – retailing to diners at around £8 per kilo, compared to around £25 per kilo in supermarket
Agriculture, takes up only about 1% of its land area.
The farm's small size belies its big ambition: to help improve the city's food security.
The fall 2018 Green Roof class projects were especially wide ranging and ambitious-and included two different green wall design proposals, a soil stormwater absorption experiment, a printed guide to common plants found on New York City green roofs, climate data analysis of microsensors installed on green roofs at both Brooklyn Grange and The New School, and a go-to all-purpose website about green roofs in the city.
A team at the University of the District of Columbia in the nation’s capital has created a garden on the top of one school building. The garden holds many kinds of plants to help absorb rainwater… and grow food at the same time.
In an urban environment, you don’t have that many spaces to choose from, and so rooftops are just unutilized space, said Caitlin Arlotta, a graduate student in the schools Urban Agriculture program. So it’s a really good way to not have to restructure your city necessarily and be able to incorporate green roofs.
In the last few decades, manmade surfaces have taken over green space, leading to urban heat islands and more pollution in the air. It’s left Paris, like many other big cities, with higher urban temperatures and a greater risk of flooding as rain can no longer be absorbed into the ground