This week on Dezeen, Northumbria University graduate Hope Underwood unveiled a water harvesting system that can be retrofitted to domestic drainpipes to divert rainwater. More about This week we showcased a rainwater harvesting kit that aims to reduce household bills
Colombian studio 5 Sólidos has outfitted a duplex apartment in Medellín with a curvaceous red velvet couch and a concrete stair surrounded by vintage glass brick as an homage to 1980s style. More about 5 Sólidos "channels the 1980s" with glass brick and velvet for Medellín apartment
American studio Kennedy & Violich Architecture has adapted a vaulted 1960s ice skating pavilion into an education building with workshops in Colorado Springs, Colorado, USA. More about KVA transforms vaulted concrete Colorado sports facility into arts hub
Bross and Nick Flygt have completed Horsö, a minimalist summer house in Kalmar finished in untreated wood that complements its surroundings. More about Bross and Nick Flygt design "low-key" coastal home in Sweden
Peat meadows are the most effective terrestrial carbon sink on Earth. In this interview, designer Henriëtte Waal offers solutions for preserving these swampy landscapes, from bio-based products to repurposed farmhouses. More about Henriëtte Waal's peat atelier tackles climate change with "new ways of living" in wetlands
In this week's comments update, readers are discussing Carmody Groarke's conversion of a former textile workshop into an office block in London. More about "It's unapologetic and I respect that" says commenter
Architecture firm Neri&Hu has transformed the carcass of Tbilisi's former central post office into a 239-room hotel while preserving its distinctive modernist facade. More about Neri&Hu converts Tbilisi's abandoned Soviet-era post office into Telegraph Hotel
Dezeen Competitions: this week, we've found five architecture and design competitions that are currently available to enter, including competitions to design a family retreat and an urban sculpture. More about Abandoned site revival among latest competitions on Dezeen
Central Saint Martins graduate Noé Chouraqui has developed Point, a 3D-printed alternative to standard-issue tennis balls made from a bio-based, recyclable filament. More about 3D-printed tennis balls aim to match performance of traditional balls
Promotion: Indonesia Design Week has announced its second annual event, which will take place in the Indonesia Design District PIK2 this September. More about Indonesia Design Week returns in September for second annual edition
A renovated church and a 1920s skyscraper feature in this roundup of adaptive reuse projects in Detroit, where architects and designers bring new life and programmes to historical structures in the city. More about Eight adaptive reuse projects in Detroit that showcase the city's transformation
The latest edition of our weekly Dezeen Agenda newsletter features a Mayfair fish and chip shop crafted entirely from hand-stitched felt. Subscribe to Dezeen Agenda now. More about A fish and chip shop made entirely of felt features in Dezeen Agenda
Canadian firm StudioAC has completed a residential building called Junction Semi for a family of seven, which features pale wooden cladding, a courtyard and a double-gable roof. More about StudioAC "carves outdoor space" into Toronto duplex for multi-generational family
Dezeen School Shows: an ecological farm in the Lake District, UK, with a focus on food and energy production is among ten projects by students at Lancaster University. More about Farm prioritising food and energy production among projects from Lancaster University
Dutch studio Monadnock has completed Volante, a social housing block in the Netherlands featuring colourful glazed brickwork and window frames. More about Monadnock designs Dutch social housing as colourful "garden building"
The Fantastic Four: First Steps is a superhero movie set in an alternative mid-century modern universe. Production designer Kasra Farahani explains how he used sets informed by the architecture of Oscar Niemeyer and Eero Saarinen to make it feel real. More about How Kasra Farahani created a "mid-century modern future world" for The Fantastic Four
As part of designer Thomas Heatherwick's campaign Humanise, a group of artists has created sandcastles "mimicking the flat, lifeless buildings all too common in our towns". More about Artists sculpt Bland Castles out of sand for Heatherwick's Humanise campaign
A 3,666-metre-long bridge is set to connect Sicily to mainland Italy, which, if built, will be the world's longest suspension bridge. More about Italy to build world's longest suspension bridge to Sicily
For design to become truly sustainable in the face of rapid climate change we must first acknowledge its ties to colonialism, writes Céline Semaan. More about "We must confront design's colonial inheritance"
New York studio General Assembly drew on Californian modernism for the renovation of this 1960s villa in The Hamptons, featuring pine-green tiles and a stainless-steel soaking tub. More about General Assembly adds "unexpected design details" to modernist Amagansett beach house