Design Miami 07: eight leading artists have donated works based on the One Laptop Per Child initiative for an auction to raise funds for the project. Above: It's Good to be Cheerful by Richard Tuttle. More about One laptop per artist: OLPC charity auction
Italian architects AKA architetti have won a competition for a low-energy wooden house. More about Prototyp Einfamilienhaus by AKA architetti
Australian graphic designers Buro North claim their plywood Christmas tree is "80% more environmentally friendly" than a traditional fir or spruce. More about Eco Christmas tree by Buro North
The winners of the Architectural Review's Awards for Emerging Architecture 2007 were announced last night, with three buildings sharing the £15,000 prize money, including Wall House in Chile by Far: Frohn & Rojas (above and below). More about AR Awards for Emerging Architecture - winners
Bel-Air is a filtration system designed by Mathieu Lehanneur, which uses living plants to purify the air indoors. More about Bel-Air by Mathieu Lehanneur
Design w/ Conscience: Re-Imagining the Workshop, which opened at the Vivid Gallery in Rotterdam this week, features products designed by leading designers and manufactured by artisans in the developing world. More about Design With Conscience at Vivid Gallery
Following our report on Moritz Waldemeyer's stage costumes for OK Go, here's another story about clothing featuring LEDs. This time, fashion designer Willy Bogner has put solar-powered lights in ski suits. More about Ski suits with solar-powered lights by Willy Bogner
Dutch Design Week: Designer Christian Kocx presented Non-Woven series of chairs, lamps and bowls, which are made of unwanted bits of plastic from an injection moulding machine. More about Non-Woven by Christian Kocx
Design company Hulger has created a series of sculptural low-energy bulb prototypes as a reaction against the ugliness of existing products. More about Plumen low-energy bulbs by Hulger
Dutch Design Week: designer Anke Weiss has created a series of lights from used food and drink packaging. More about Packaging Lights by Anke Weiss
Tokyo Design Week: Qwerty River is a collection of objects made from reclaimed keyboard keys. The key rings, hair ties and mobile phone straps by Finnish design collective SECCO were shown at Design Tide in Tokyo earlier this month.
Building Design shows a power-generating "wind dam" designed by architects Chetwoods that uses a giant spinnaker sail slung between mountains to funnel wind into a turbine. More about Wind dam by Chetwood Associates
Tokyo design week: Japanese design company Rock Paper Scissors has designed a product that acts as both packaging and a display system for fresh flowers. More about Tu-Tu by Rock Paper Scissors
A team of four architectural practices (Modostudio, Adhoc, Barbarela and Bestbefore) have won an international competition to design the Ciudad del Medio Ambiente - or Environment City - in Santomera in the Spanish province of Murcia. More about Ciudad del Medio Ambiente by Modostudio, Adhoc, Barbarela and Bestbefore architects
More from the Design Academy Eindhoven graduation show: Greetje van Tiem, a graduate from the academy's Man and Leisure department, presents a project that turns old newspapers into yarn that can be woven into carpets, curtains and upholstery. More about Yarn from old newspapers by Greetje van Tiem
Energy Bucket is a concept for a bucket-shaped, solar-powered light designed by Stefano Merlo. The bucket is left outside during the day to charge so it can be used at night. More about Energy Bucket by Stefano Merlo
Our friends at Hungarian architecture and design site hg.hu have posted a series of images of Ross Lovegrove's Solar Tree solar-powered street light being installed in Vienna, prior to the official opening tonight. More about Solar Tree by Ross Lovegrove 2
The first working prototype of Loremo, an ultra lightweight car concept, was shown at the Frankfurt International Motor Show last month. More about Loremo lightweight car concept
Industrial designers Priestman Goode have invented a simple, cheap landline telephone that fits inside an A5 envelope and can be sent via regular post. More about Post A Phone by Priestman Goode
Swiss designers Fulguro present their Rehouse/Bath project at the Château d’Avignon at Les Saintes-Maries-de-la-Mer in France. More about Rehouse/Bath by Fulguro