Architecture studio Spark has developed a concept for an easily transportable 3D-printed toilet that could convert human waste into electricity. More about Spark's Big Arse toilet could generate electricity in remote Indian villages
Architecture firm Spark wants to use HDPE plastic waste to build a series of elevated beach huts resembling giant pine cones in Singapore. More about Spark unveils plans for colourful beach huts built from recycled ocean plastic
World Architecture Festival 2015: architecture firm Spark has unveiled its concept for "the next generation of retirement housing" – a community of homes and health facilities combined with a vertical urban farm (+ slideshow). More about Spark designs model for Asian retirement communities that double as city farms
Exposed brickwork, unfinished plywood and a wall of pivoting metal doors all feature inside the new Beijing office of Chinese architecture firm Spark (+ slideshow). More about Beijing office for architecture firm Spark boasts a swivelling wall and a plywood room
The folded facade of this retail complex in Fuzhou, China, by architecture firm Spark, is made from colour-changing aluminium panels and integrates giant advertising screens (+ slideshow). More about Spark incorporates giant screens into faceted shopping centre facade
Architects Spark have added a stairwell resembling a giant wedge of Swiss cheese onto two Bangkok shophouses they've converted into a youth centre. More about Fai Fah by Spark