Roofs made from living trees and floating houses on reed islands are among the urban planning concepts developed by engineering studio Buro Happold in collaboration with indigenous communities as part of an installation called Symbiocene. More
Architecture studio Penoyre & Prasad has completed a huge Corten steel-clad research laboratory for UCL which will be used to simulate life-sized urban environments such as railway stations, high streets and town squares. More
Maasai people could once again legally herd their cattle through Nairobi via Cow Corridors proposed by Cave Bureau in this manifesto prepared for the Dezeen 15 digital festival. More
In his manifesto for the Dezeen 15 digital festival, architect Winy Maas of MVRDV proposes covering the planet with a new inhabitable geological layer called The Sponge. More
In the first of 15 manifestos written for the Dezeen 15 digital festival celebrating Dezeen's 15th birthday, Es Devlin imagines looking back from 15 years in the future at the positive progress made since the COP26 climate conference. More
A €15 billion project to link the capitals of Finland and Estonia via a tunnel beneath the Baltic Sea will create a metropolitan area "much, much better" for tech startups than Silicon Valley, according to CEO Peter Vesterbacka. More
In this week's comments update, readers are discussing plans to build a linear city in Saudi Arabia and sharing their views on other top stories. More
Mohammed bin Salman, the crown prince of Saudi Arabia, has unveiled plans for a 100-mile belt of zero-energy walkable communities for a million people. More
Hackney in east London is committed to reaching net-zero emissions by 2040 but some residents are up in arms about initiatives to reduce car use. Dezeen spoke to Jon Burke, the councillor charged with delivering the controversial programme. More
Five architecture students from the University of Oregon present their visions of a Centre for Democracy and Environmental Justice to repair "damaged urban context" in this VDF school show. More
Italian practice Caret Studio has installed the StoDistante installation in an Italian square to encourage social distancing as a temporary solution for reactivating public spaces after Covid-19 lockdown ends. More
French designer Marlène Huissoud asks humans to "Please Stand By" with her first chairs, which are designed to be refuges for insects. More
A "raincoat" designed by architecture studio Partisans to protect pavements in harsh weather is among a series of prototypes that Alphabet company Sidewalk Labs has revealed for its smart city in Toronto. More
Construction has begun on Alárò City, which is being masterplanned by Skidmore, Owings & Merrill, as an extension to Lagos in southwest Nigeria. More
Mexico-based creative studio MaliArts has designed a series of three structures for solitary bees living in built-up areas to help welcome nature into urban environments. More
Germany's national rail operator has announced plans to play atonal music in a Berlin station, in an attempt to deter criminal activity. More
Leeds Beckett University graduate James Hughes has made a bench with metal spikes embedded in its seat to highlight issues surrounding hostile urban design. More
A mossy "living wall" with the pollution-absorbing power equivalent to hundreds of trees has been installed in London's Piccadilly Circus in a bid to combat the city's unsafe air quality levels. More
Renault has devised a concept for an autonomous, electric vehicle that would provide city dwellers with an alternative to public transport. More
The revival of great urban centres including New York, Los Angeles and London has caused unprecedented inequality and has led to the populism of Donald Trump, according to Richard Florida. More
