Berlin architects J Mayer H have completed a permanent exhibition on sustainability for car brand Volkswagen's Autostadt visitor attraction at their factory in Wolfsburg, Germany. More »

New Designers 09: Northumbria University graduate Jack Bresnahan exhibited a series of biodegradable, plastic lids for turning used tin cans into household containers at graduate show New Designers in London last week. More »

Dubai architecture firm X-Architects have unveiled their masterplan for a sustainable urban development in the center of Al Ain in the United Arab Emirates. More »

German Swiss bag brand Freitag have launched a limited edition range of bags made of used exhibition banners from leading art galleries and museums. More »

Royal College of Art graduate Nitipak Samsen has designed a credit card-operated carbon-offsetting meter that attaches to trees. More »

Royal College of Art graduate Fabien Cappello has created a collection of furniture from unwanted Christmas trees. More »

Frank Gehry is one of 14 architects to have designed duplexes for Make it Right, the charity founded by actor Brad Pitt to develop new housing typologies for a hurricane-devastated district of New Orleans. More »

Cape Town designers Animal Farm have produced an "organic lounger" made from woven branches that hangs in a tree and is reached by a rope ladder. More »

Finnish architects C-Laboratory have completed a timber house on a cherry farm in the mountains of northern Taiwan. More »

Dezeenwire: Sears Tower in Chicago is to undergo a $350 million green refit to "reduce the tower's electricity use by 80% and save 24 million gallons of water a year". The Guardian

French designer Benjamin Graindorge has designed a garden that floats on the surface of a fishtank and uses fish waste as fertiliser. More »

Dutch interior architects i29 have completed an office suite for an advertising agency using used furniture bought from online auction sites and charity shops. More »

DMY Berlin 09: Latvian designers Merci Design presented a range of children's furniture made of recycled paper pulp at DMY Youngsters in Berlin last week. More »

More recycled work from Swiss designer Anne-Cécile Rappa: Najah, Lazara and Ilham are a series of lights made of found objects sheathed in knitted plastic bags. More »