All flat top
apartment buildings in Somerville have community gardens.
(source: Amara Good. To see all of her predictions, click here.)
(image source: modified from Google Earth)
of worldwide urban populations from 2006 standards means more recycling.
40% of aluminum content comes from recycled sources.
(source: Attali, "A brief history of the future: a brave
and controversial look at the twenty-first century")