> "It's a big deal, because every 1% of reflectance you get translates to 10 watts per metre squared less heat from the Sun," he explained. In the apartment I

> "It's a big deal, because every 1% of reflectance you get translates to 10 watts per metre squared less heat from the Sun," he explained. In the apartment I rent there's a huge 1.5x1.5m ceiling window for letting the sun in. In addition to huge 2m-high windows. The number of buildings not suitable for the present-day climate is astonishing.