Portland architecture firm Beebe Skidmore has inserted a cubic volume with large windows into the middle of a 20th-century home in the city to add more space and bring natural light inside. More about Beebe Skidmore punctures ornate Portland home with "fearlessly distinct" glass cubes
Hungary has revealed plans to build a new carbon-neutral greenhouse-filled farming city that will be powered by renewable energy sources. More about Hungary plans €1 billion greenhouse city powered by renewable energy
Proctor & Shaw has extended the south London home of a retired teacher, adding a timber-lined snug that can be used for reading or birdwatching. More about Snug House by Proctor & Shaw features cosy room overlooking the garden
A spiral staircase made of concrete rises through the centre of an open-plan office designed by architecture studio Hildebrand in Steinhausen, Switzerland. More about Concrete spiral staircase twists through open-plan office by Hildebrand
BIG's tiny cabin in Upstate New York, a prayer room in Arizona and an outdoor toilet with gabion walls are among the 12 winners of this year's AIA Small Projects Awards. More about AIA announces winners of Small Project Awards 2019
Giant windows puncture this white concrete apartment building in Mexico City, which Mexican firm Taller Héctor Barroso designed as a home for siblings. More about Taller Héctor Barroso designs Sierra Mimbres housing in Mexico City for three brothers
Blankpage Architects has built a church with a rooftop amphitheatre in Lebanon, being careful not to overshadow the historic chapel next door. More about Blankpage Architects designs concrete church in Lebanon to complement 18th-century chapel
Stirling Prize winning architecture firms including Zaha Hadid Architects, David Chipperfield Architects and Foster + Partners are calling on all UK architects to adopt a "shift in behaviour" over climate change. More about UK architects including Foster and Chipperfield declare climate and biodiversity emergency
London-based photographer Joanne Underhill has attempted to save Welbeck Street car park in a "small way" with a new series of colour photos. More about Joanne Underhill photographs Welbeck Street car park ahead of demolition
Laminated wood and concrete will form the hybrid structural system of the high-rise Canada's Earth Tower that global firm Perkins+Will has unveiled for British Columbia. More about Perkins+Will designs "world's tallest hybrid wood tower" for Vancouver
A cluster of stone and plaster-lined volumes form Think Architecture's minimalist House in a Park, which sits on a hilltop in Zurich, Switzerland. More about Think Architecture creates minimal hilltop house in Zurich
The French Senate has passed a bill saying Notre-Dame Cathedral must be rebuilt as it was before the fire, which destroyed its roof and spire last month. More about Notre-Dame must be restored to "last known visual state" says French Senate
Architecture Cotugno Thiry has transformed a 19th-century brewery building in Belgium into La Bouteillerie, a simple house with rugged brick walls. More about Belgian bottling house converted into family home by Architecture Cotugno Thiry
Triangular windows fold up the corner of this OMA-designed housing block, which marks the architecture firm's first ground-up structure in New York City. More about OMA completes black Manhattan apartments with "prismatic corner"
Atelier Jean Nouvel's recently completed Stelios Ioannou Learning Resource Center, at the University of Cyprus in Nicosia, has been revealed in photographs by Yiorgis Yerolymbos. More about Jean Nouvel completes "earth-work" library at University of Cyprus
American firm Office of Jonathan Tate has completed a cluster of sculptural white homes on an urban New Orleans site that are meant to attract buyers on a limited budget. More about OJT completes sculptural affordable housing in New Orleans
Gresford Architects has added an extension with a sunken seating area to a Victorian house in London's Hackney, featuring pink walls inside and out. More about Gresford Architects adds pink concrete extension to Hackney house
Foster + Partners is the first architecture practice to sign up to the Net Zero Carbon Buildings Commitment, meaning that by 2030 all buildings used by the practice will be carbon neutral. More about Foster + Partners pledges to make its buildings carbon-neutral by 2030
Japanese architect Kouichi Kimura has completed a concrete house in Shiga, Japan, as a self-contained space that promotes serenity and silence. More about Kouichi Kimura builds fortress-like Tranquil House in Japan
Bosske Architecture has completed a dairy farm in Northcliffe, Australia, with a curving red structure that contains a robotic milking shed and a visitor centre. More about Bosske Architecture encloses robotic dairy in red "super shed" in Australia