The amount of plastic floating in the ocean may lead some to bury their heads in the sand. Others choose to build modern castles on that very sand, using exactly this type of litter. A perfect abode for beach bums, the solar-powered pods made of recycled HDPE and glass once floating in the ocean look like Warholesque palm trees.

Taking sustainable living to a new level, the modern-day treehouses will start lining Singapore’s East Coast Park beach. The rubbish beach retreat – a brainchild of design company Spark – proves that the building material and the resulting structure need not be like two peas in a pod…