A new way of assessing sustainability takes into account a structure’s entire history and future, not just its energy bill, reports SLATE. image: © User:Colin and Kim Hansen / Wikimedia Commons https://upload.wikimedia.org/wikipedia/commons/6/6d/ City_of_London_skyline_from_London_City_Hall_-_ Sept_2015_-_Crop_Aligned.jpg … Tulip’s ‘unsustainable whole life-cycle,’… SLATE writes: Even … Continue reading What if Old Buildings Are Greener Than New? New sustainability assessment counts structure’s history and future as well as energy