With summer in full swing, this week Inhabitat watched the mercury rise as the world's largest thermostat burst forth with an array of 72,000 building-mounted LEDs. We also kept things cool with a remarkable plan to transform frozen construction sites into event-hosting urban icebergs. And if you haven't made plans for a summer vacation yet, might we recommend this stunning Swedish "Treehotel" housed within a silvery mirror cube in the sky?
