"Want to make a skyscraper look trendy and sustainable? Put a tree on it. Or better yet, dozens. Many high-concept skyscraper proposals are festooned with trees. On the rooftop, on terraces, in nooks and crannies, on absurdly large balconies. Basically anywhere horizontal and high off the ground."
But according to de Chant, these visions aren't realistic. Wind, temperature extremes, and logistical concerns are just some of the elements that conspire to make the tops of skyscrapers an inhospitable place for trees, he explains.
"Now if someone want to gin up a tree that can survive on top of a skyscraper, go ahead, I guess. But I can think of far better things we should be putting our time and effort into, like preserving places that already have trees growing on them or planting more on streets that need them."