Oslo studio Various Architects and Pollen Architecture of Austin, Texas, have designed a green office building in response to the UN Framework Convention on Climate Change (UNFCCC) held in Copenhagen earlier this month. More about Skagen ØKOntor by Various Architects
London designer Thomas Heatherwick has designed a biomass power station for the bank of the river Tees in the UK. More about BEI-Teesside power plant by Heatherwick Studio
Tom Kundig of Seattle studio Olson Sundberg Kundig Allen Architects has designed an extension to a steel pipe factory that uses giant pipes as architectural elements. More about T Bailey Office by Tom Kundig
Danish architects MAPT have designed a pavilion in Copenhagen made of recycled materials, including old shipping containers, to coincide with the UN Framework Convention on Climate Change (UNFCCC). More about Cop15 pavilion by MAPT
Danish architects CF Møller have completed a kindergarten in Odense, Denmark, where children can clamber around the building over large ramps and apertures in interior walls. More about Dragen Children’s House by CF Møller
Seoul design studio Unplug Design have designed an aid package that can be made into a football by children in developing countries. More about Dreamball by Unplug Design
Swedish design group Muungano have created a set of containers for collecting household recycling. More about Husmus by Muungano
Artist Alfio Bonanno and architect Christophe Cornubert will present an installation representing a metric ton of carbon dioxide in Copenhagen next month, while the city hosts the UN Framework Convention on Climate Change (UNFCCC). More about CO2 Cubes by Alfio Bonanno and Christophe Cornubert
French architects Air have completed a raw yellow concrete extension to an apprenticeship college in Saint Maur des Fossés near Paris in France. More about Apprentice Formation Center by Air Architects
London architect Foster + Partners have completed an academy clad in wood in Berkshire, UK. More about The Langley Academy by Foster + Partners
Tokyo architects Atelier Tekuto have completed a prefabricated aluminium house in Kanazawa, Japan. More about A-ring by Atelier Tekuto
More from Alexa Lixfeld: the Hamburg designer has collaborated with Sri Lankan company Selyn to create a range of dolls adapted from drawings by children. More about Dolls by Alexa Lixfeld
Designer Robert Gaukroger has completed three wooden classrooms on stilts in a forest clearing in the Lake District, UK. More about Forest School by Robert Gaukroger
Tokyo Designers Week 09: architect and designer Nigel Coates describes the "complete chaos" of Tokyo in this final installment in our series of short interviews commissioned for the Tokyo Desigers Week official guide, which was produced by Dezeen. More about Tokyo Designers Week interviews: Nigel Coates
Tokyo 09: in this short interview commissioned for the Tokyo Designers Week guide, designer Gwenael Nicolas asserts that anything is possible in Tokyo. More about Tokyo Designers Week interviews: Gwenael Nicolas
Hong Kong designer Michael Young has created a dining chair made of recycled aluminium. More about Chair-4a by Michael Young
Tokyo 09: designer Arik Levy remembers living in Japan and dreams about making smaller chocolate wrappers in this short interview commissioned by Dezeen for the Tokyo Designers Week guide. More about Tokyo Designers Week interviews: Arik Levy
Tokyo 09: designer Ilse Crawford describes her vision of design that brings people together in this third short interview commissioned for the Tokyo Designers Week guide, produced by Dezeen. More about Tokyo Designers Week interviews: Ilse Crawford
Tokyo 09: in this second in a series of short interviews commissioned for the official Tokyo Designers Week guide that Dezeen produced, furniture designer Matthew Hilton talks to Malaika Byng about working with wood and his first experience of Tokyo. More about Tokyo Designers Week interviews: Matthew Hilton
Tokyo 09: Tokyo Designers Week has started and Dezeen produced the official guide to the event. In this first in a series of short interviews commissioned for the guide, architect Shigeru Ban responds to the festival's theme, green design. More about Tokyo Designers Week interviews: Shigeru Ban