French designer Mathieu Lehanneur has created a series of objects designed to monitor electricity consumption in the home for energy company Schneider Electric. More about Efficient Home by Mathieu Lehanneur for Schneider Electric
This algae-producing tower designed by Sir Peter Cook and Gavin Robotham of London studio CRAB came second in the recent Taiwan Tower Conceptual International Competition. More about The Tower of Droplets by Sir Peter Cook and Gavin Robotham
Brazilian designer Brunno Jahara of Jahara Studio has created a collection of furniture made using scrap wood. More about Neorustica by Jahara Studio
Foster + Partners have completed the first of a cluster of buildings entirely powered by solar energy at Masdar City, a sustainable urban quarter in Abu Dhabi in the United Arab Emirates. More about Masdar Institute campus by Foster + Partners
German graduate designer Christoph Thetard has created a set of pedal-powered kitchen gadgets. More about r2b2 by Christoph Thetard
This rubbish bag by Ahhaproject of Milan and Seoul spells out how much energy the user can generate with each bag of kitchen waste collected. More about Biomass by Ahhaproject
At Dutch Design Week designer Pepe Heykoop presents a collection of leather lampshades made by underprivileged women in Mumbai. More about Leather Lampshades by Pepe Heykoop
Toys are displayed between steel fins at this second-hand shop in Andorra by Miquel Merce Architect and MSB Workshop. More about Món Petit by Miquel Merce Architect and MSB Workshop
These photos from British designer Austin Houldsworth show the results of his machine, featured in our earlier story, built to fossilise a partridge (above) and a pineapple. More about Fossilisation machine results by Austin Houldsworth
Vienna Design Week 2010: Vienna designers Mischer’Traxler made batteries from 700 used coffee capsules to power clocks installed in the window of Nespresso Austria during Vienna Design Week. More about Nespresso Battery by Mischer’Traxler
Vienna Design Week: Vienna designers Dottings presented a series of coffee cups made of recycled aluminium coffee capsules for coffee brand Nespresso in Vienna last week. More about Grand Crus Cup Parade by Dottings
This mobile phone concept by London designer Patrick Hyland can be charged by the heat in your pocket. More about Nokia E-Cu by Patrick Hyland
A collective of young architects and designers from AlArchitects of Prague have designed a range of jewellery made from recycled medical waste. More about Design Help by A1 Architects
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
Here's another project using old carpets (see our earlier post on a chair made of rolled-up carpet), this time handbags by Spanish initiative Maam Project, manufactured by prisoners. More about Bags by Maam Project
Finnish Lahti University of Applied Sciences students Arttu Kuisma and Janne Melajoki have rolled up 250 square-metres of recycled carpet to create this multicoloured chair. More about Rrround by Arttu Kuisma and Janne Melajoki
These bird and bug boxes have been installed by art and architecture collective London Fieldworks around trees across London in clusters inspired by neighbouring housing. More about Spontaneous City in the Tree of Heavenby London Fieldworks
Swedish architects Visiondivision have created this undulating concrete habitat for crayfish in a stream in Sweden. More about Cancer City by Visiondivision
Loove Broms and Li Jönsson of Sweden's Interactive Institute have devised a system of lamps that visually indicate a factory's energy consumption through spotlights. More about Watt-Lite by the Interactive Institute
This residential building in Copenhagen with sloping green roofs by Danish architects BIG will be completed in October, and has just won the 2010 Scandinavian Green Roof Award. More about 8 House by BIG