Guardian Professional,28 Aug 2014:
In a ground-breaking energy-efficiency experiment, the Indian IT giant built two separate wings on its Hyderabad campus - identical apart from their energy systems
23 Jul 2014:
“As precious as gold...” This was how then-president Hu Jintao described Caofeidian during his visit in 2006. It was promised to be ‘the world’s first fully realised eco-city’ – yet 10 years and almost $100bn later, only a few thousand inhabitants have moved to this land reclaimed from the sea
16 Jul 2014:
Our pick of the winning and best entries from this year's international competition to design and build functional solar-powered houses, held in Versailles, France. Photographs by Lucien Lung
25 Apr 2014:
Are pistachios the answer to sustainable energy? Should all cities copy the High Line? Our pick of the week's city stories try to answer these questions and more