A monumental granite-clad tower surrounded by artificial hills has been completed by US studio Tod Williams Billie Tsien Architects to honour US president Barack Obama. More about Tod Williams Billie Tsien Architects completes "intentionally sculptural" Obama Presidential Center
Stone salvaged from a demolished office building has been used to build this toilet block, designed by Studio Weave for the public in North Paddington, London. More about Studio Weave creates stone toilet block in London to "express democracy"
Ancient building technologies should inform the way we manage today's increased risk of flooding and drought, author and designer Julia Watson tells Dezeen in this interview. More about "Lo-TEK is reframing how we think about water" says Julia Watson
Danish landscape studio SLA is among the designers of a neighbourhood on an island in Toronto's Port Lands district, set to advance after receiving the all-clear from planning officials in the city. More about Toronto island neighbourhood to feature Canada's "most ambitious" car-free space
The 19-kilometre metro Line 5 – Eglinton has opened in Toronto, with 15 underground stations integrated into the urban landscape of the city's Midtown section. More about Toronto completes one of largest North American underground rail lines in decades
The office of New York City mayor Zohran Mamdani has announced the launch of a WXY-designed platform to streamline the building of accessory dwelling units across New York City. More about Zohran Mamdani calls ADUs "one of the solutions to housing crisis" on launch of plan library
Architecture studios Snøhetta, BIG and MVRDV are among those designing landmarks for the 84‑hectare Ion Riva masterplan for Istanbul's northern Beykoz district. More about Snøhetta and BIG among architects of "landscape-led masterplan" for Istanbul
Opposition to Donald Trump's White House expansion plans has focused on the building itself but the implications for the grounds are just as egregious, writes Charles A Birnbaum. More about "The proposed White House ballroom is wholly incompatible with the site"
American studio SOM and Australian studio Hassell have revealed plans for Bradfield City, a new, 114-hectare city in western Sydney, which is set to include 10,000 homes, a university campus and a two-hectare park. More about Plans unveiled for Australia's first new city in over 100 years
British studio Foster + Partners has revealed its first project in Angola, a masterplan to transform 13,480 hectares of land surrounding an airport near Luanda. More about Foster + Partners designs vast aerotropolis for Angola
Brooklyn-based writer Sam Venis has photographed "charter city" Próspera, a semi-independent community in Honduras, where UK studio Zaha Hadid Architects has designed upcoming buildings. More about Sam Venis documents infrastructure at "political experiment" Próspera in Honduras
Almost all cities are based around a water source, but London does not talk enough about the importance of public access to the River Thames, writes Jessica Furseth. More about "We talk a lot about the value of green space, but our silty brown 'blue space' often remains an afterthought"
A glass-floored cantilevering viewpoint features at Nujiang River 72 Turns Canyon Scenic Area, a project by Chinese studio Archermit that transforms a perilous landscape in Tibet into a visitor destination. More about Archermit creates "playground to pursue thrills" above Tibetan canyon
Architecture studios Felixx Landscape Architects & Planners and De Zwarte Hond have arranged the Rijnvliet housing development in Utrecht, the Netherlands, around 1,000 fruit trees and 220 species of edible flora. More about "Edible neighbourhood" surrounded by fruit trees in the Netherlands
New York's Department of Buildings has greenlit designs by architecture studio PAU and engineering outfit Arup for the city's sidewalk sheds to make them "safer, more egalitarian, and more beautiful". More about Department of Buildings approves six designs for New York's scaffolding
While Neom struggles to create ground-breaking urbanism, it is having more success replicating suburbia in the desert, writes Tom Ravenscroft. More about "Neom promised radical urbanism but is delivering sterile desert suburbia"
Architecture studio BIG has announced a milestone in the ongoing construction of parks along the East River in New York with a timber-clad building with built-in solar infrastructure. More about BIG completes solar education centre for renewed East River park in New York
Architecture studios Hawkins/Brown and East have been selected to lead the pedestrianisation plans for Oxford Street, initiated by London mayor Sadiq Khan. More about Hawkins/Brown and East to lead pedestrianisation of London's Oxford Street
Cities and architecture across the world are increasingly being influenced by the fundamentally anti-democratic principles of places like Dubai, argues academic Quinn Slobodian in this interview. More about Spread of Dubai-style urbanism "quite terrifying" says Quinn Slobodian
The latest edition of our weekly Dezeen Agenda newsletter features a masterplan for an urban district in Baghdad. Subscribe to Dezeen Agenda now. More about Dezeen Agenda features an urban district in Iraq