Italian architect Benedetto Camerana and landscape designer Il Giardino Segreto have created a rooftop garden called La Pista 500 on the rooftop test track at Lingotto, Fiat's iconic former car factory in Turin. More about Benedetto Camerana adds garden with 40,000 plants to the rooftop test track at Fiat's former Lingotto factory
A playful network of large pipes containing walkways and bridges wraps around this children's community centre in Beijing by local practice We Architech Anonymous (WAA), housed in a series of refurbished 1970s industrial buildings. More about WAA transforms Beijing warehouses into a playscape for sensory learning
Architect Arney Fender Katsalidis will transform a disused railway site in Rome into a low-carbon neighbourhood as part of the Reinventing Cities programme, which encourages cities to strive towards net-zero urban developments. More about Arney Fender Katsalidis to transform Tuscolana railway site into low-carbon 15-minute city
Architecture office ODA has proposed a rezoning plan for New York that would allow developers to build higher in return for turning private courtyards into public space. More about ODA proposes New York rezoning scheme to swap height restrictions for public space
London studio Twelve Architects has revealed its plan to transform the disused Castlefield Viaduct in Manchester into a "green oasis" reminiscent of New York City's High Line. More about Twelve Architects unveils plan for elevated park in Manchester
Winding paths lead visitors through this landscaped garden at the Vitra Campus in Weil am Rhein, Germany, which Piet Oudolf designed to complement the site's iconic architecture. More about Piet Oudolf creates "ever-changing" garden for Vitra's architecture park
Plans to transform the Oxford Circus road junction in London into two car-free piazzas with trees and seating have been announced by Westminster City Council and the Crown Estate. More about Transformation of Oxford Circus into pedestrianised piazzas will "create rival to Times Square"
Orca is a mixed-use development in Toronto designed by Safdie Architects that will have nine interconnected residential towers alongside a park that will be built over a railway. More about Safdie Architects designs interconnected housing blocks alongside park over train tracks
In this week's comments update, readers are debating architecture critic Aaron Betsky's claim that riding a bicycle is the best way to experience a city. More about "Cyclists are making cities worse for pedestrians" says commenter
The Danish parliament has approved the building of Lynetteholm, an artificial island off the coast of Copenhagen that will house 35,000 people and protect the city's harbour from rising water. More about Artificial island Lynetteholm to be built in Copenhagen harbour
Architecture studio Foster + Partners has unveiled plans to turn the site of a decommissioned power plant on the San Francisco waterfront into a mixed-use development. More about Foster + Partners designs buildings for Dogpatch Power Station in San Francisco
As cities become more cycling-friendly it's important not to forget about suburbia, says Aaron Betsky, as he shares what architects and urban planners could learn from a cycle through the suburbs on World Bicycle Day. More about "Bicycles are making our cities better, but what about our suburbs?"
New York's Hudson River Park Trust has begun construction on Gansevoort Peninsula, a riverfront park by landscape architects James Corner Field Operations that will be home to Manhattan's first public beach. More about Gansevoort Peninsula by James Corner Field Operations will feature Manhattan's first beach
Foster + Partners has released visuals for The Forestias, a multi-generational residential neighbourhood on the edge of Bangkok, Thailand, which will have a large forest at the centre. More about Foster + Partners unveils masterplan for forested neighbourhood in Bangkok
Researchers at digital laboratory MIT Senseable City Lab have used handheld 3D-scanning technology to analyse the architecture of Rocinha, Brazil's largest favela. More about MIT Senseable City Lab maps Brazilian favela with handheld 3D-scanners
American photographer Annette LeMay Burke's book Fauxliage showcases cell towers that have been designed to blend into their surroundings, including a pine tree in the middle of the desert, airbrushed cacti and church crosses. More about Annette LeMay Burke documents America's camouflaged cell phone towers
Architecture studios Diller Scofidio + Renfro, PLP Architecture and Carlo Ratti Associati have revealed plans to convert a goods yard in Milan into a park and the athletes' village for the upcoming Winter Olympic Games. More about Disused railway yard in Milan set to become park and Olympic athletes' village
Red aluminium slats form an angular canopy atop a structure designed by Italian architecture office UNA2 to shelter part of a public square in the town of Rosignano Marittimo, Italy. More about UNA2 covers Italian public square with bright-red loggia
Dutch studio Casanova + Hernandez has completed a landscaping project in the Albanian village of Shiroka, comprising a waterfront plaza and streetscape that uses granite stones to replicate a traditional carpet pattern. More about Casanova + Hernandez completes patterned public square based on an Albanian carpet
Architect Elizabeth Diller has revealed the "stealthy" way that Diller Scofidio + Renfro creates public spaces – and disclosed how it was accused of corrupting Russian youth after an outbreak of open-air sex in Moscow's Zaryadye Park. More about "Architects must defend public space" says Elizabeth Diller as she celebrates Moscow park's al-fresco sex appeal