Spanish studio Takk took cues from snugly stacked Russian dolls for the interior renovation of this Barcelona apartment, which features rooms nestled inside each other to maximise insulation. More about Energy-saving 10K House in Barcelona is a "labyrinth that multiplies perspectives"
A recent University of Cambridge study that cast doubt on the long-term effectiveness of insulating UK homes is not as bad news as it first appears, argues Insulate Britain campaigner James Thomas. More about "Bad news is still good information"
Researchers from the University of Chicago have invented a cladding material that changes colour to help with heating or cooling and could be retrofitted to improve buildings' energy efficiency. More about "Chameleon-like" facade material could help to heat and cool buildings
The UK's ageing houses must be insulated against uncontrolled heat loss, but this will require accepting changes to their appearance, according to a series of British architects who have recently carried out their own energy-led retrofits. More about Effectively retrofitting UK housing requires "compromise between performance and heritage" say architects
The latest edition of our weekly Dezeen Agenda newsletter features a study by the University of Cambridge that found energy savings from home insulation "vanish" after four years. Subscribe to Dezeen Agenda now. More about Dezeen Agenda features a study on energy efficiency in UK homes
Energy savings achieved by insulating UK homes appear to be cancelled out within a few years by an increase in energy use, according to a study by the University of Cambridge. More about Energy savings from home insulation "vanishing" after four years
As the global energy crisis shone a light on fossil-fuel dependence this year, we continue our review of 2022 by looking at 10 of the most innovative projects demonstrating more renewable, efficient and affordable ways to power our lives. More about Dezeen's top 10 designs from 2022 that rethought how we use energy
The US Department of Energy has released updated energy efficiency standards for new government-owned buildings and commercially available air conditioning units, as the cost of fuel and electricity soars around the world. More about US government implements improved energy-efficiency requirements for new federal buildings
London studio Macdonald Wright Architects has created the low-energy and heavily insulated Library House on an infill plot in Hackney. More about Macdonald Wright Architects creates low-energy home in London as "scalable prototype"
US firm Studio Vural has conceived a mixed-use skyscraper covered with Asian lilies as a "powerful image" to promote low-energy design. More about Studio Vural envisions Manhattan tower draped in colourful flowers
Existing buildings in EU countries will be legally required to meet minimum energy standards for the first time by 2027 under draft regulations set to be published next week. More about EU to set minimum energy standards for existing buildings
Low-energy buildings can "make communities more resilient to climate shocks," says author Jared Green. Here he picks ten examples of low-energy buildings from his book Good Energy: Renewable Power and the Design of Everyday Life. More about Ten global projects that demonstrate the possibilities of low-energy architecture
The sloping morphology of Mexican village Troncones is mirrored in Punta Majahua, a set of curvy beachfront apartments created by Zozaya Arquitectos. More about Beach homes by Zozaya Arquitectos "mimic the fluidity of waves"
Italian design duo Formafantasma has unveiled a pared-back website designed to reduce carbon dioxide emissions. More about Formafantasma redesigns website to reduce "pollution connected to the internet"
A group of Melbourne creatives pooled their skills to create this co-working space, which features wood-lined walls, concrete floors and furniture designed by the studios that occupy it. More about Collective workspace in Melbourne features plank-covered walls and bespoke furniture
A+Awards: next up in our collaboration with Architizer is this energy-efficient wooden home on the outskirts of a small village in the Czech Republic, which was one of the private houses recognised in this year's A+Awards (+ slideshow). More about House Zilvar by ASGK Design is an angular wooden home in the Czech countryside
London design brand Hulger has launched Plumen, a product it describes as "the world's first designer low-energy light bulb". More about Plumen 001 by Hulger
Danish architects Bjarke Ingels Group have won an international competition to design a low-energy tower for the Shenzhen Energy Company in Shenzhen, China. More about Shenzhen International Energy Mansion by BIG