San Francisco designers fuseproject have designed packaging and a grating tool for hardened pure cacao, which is farmed among the natural ecosystem of the Costa Rican rainforest. More »

Designer Nitipak Samsen has created a measuring tape to translate the amount of carbon stored in a tree into the amount of carbon emitted by activities like breathing and car journeys. More »

London designers Yael Mer and Shay Alkalay of Raw Edges created an animated pond at the Bloomberg offices in London using equipment the company had thrown away. More »

Vienna designers Mischer’Traxler have created a series of lights where two found lamps share one fluorescent bulb. More »

French designer Mathieu Lehanneur has created a series of objects designed to monitor electricity consumption in the home for energy company Schneider Electric. More »

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 »

At Dutch Design Week designer Pepe Heykoop presents a collection of leather lampshades made by underprivileged women in Mumbai. More »

Toys are displayed between steel fins at this second-hand shop in Andorra by Miquel Merce Architect and MSB Workshop. More »

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 »

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 »

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 »

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 »

Bartlett School of Architecture graduate Richard Hardy has shared with us his short film imagining an autonomous, artificially intelligent, sustainable city  More »

London architects Grimshaw and engineers Arup have unveiled this design for an offshore wind turbine.  More »