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
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
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
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
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
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
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
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
London studio Macdonald Wright Architects has created the low-energy and heavily insulated Library House on an infill plot in Hackney. More
US firm Studio Vural has conceived a mixed-use skyscraper covered with Asian lilies as a "powerful image" to promote low-energy design. More
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
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
The sloping morphology of Mexican village Troncones is mirrored in Punta Majahua, a set of curvy beachfront apartments created by Zozaya Arquitectos. More
Italian design duo Formafantasma has unveiled a pared-back website designed to reduce carbon dioxide emissions. More
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
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
London design brand Hulger has launched Plumen, a product it describes as "the world's first designer low-energy light bulb". More
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
