Cities are the sustainable hub of the future, where over 80 percent of our population will eventually live. If we can't make cities sustainable, we can't make the world sustainable.
A view of downtown Seattle from Kerry Park. (Diana Robinson/Creative Commons)
Many of this mall's tenants left after the anchors stores closed at The Mall at the Source in Westbury, New York. (Creative Commons)
A row of Lime scooters ready for public use in Austin, Texas. (Luis Tamayo/Creative Commons)