Just as diesel fumes flow into our blood and cells from the lungs, so, too, do the aromas of these trees. As the floral scent enters and embraces us, the trees lay a calming green hand on anxiety's brow, tranquilize the neural pathways of pain, and weave their aromas into the fractures in our central nervous system. We breathe the tree, no longer dis-eased.
— Thirteen Ways to Smell a Tree by David George Haskell (Page 32)
In a section about the scent of the American basswood in Harlem when it flowers. For one week every year the smell overpowers the fumes of petrol, diesel, coal and other fossil fuels in the inner-city air.