Wooden buildings may soon shape the skylines of America’s urban spaces. The U.S. Department of Agriculture (USDA) recently announced a contest awarding $2 million to a winner that can demonstrate feasible means to constructing “plyscrapers.” Initially proposed by Vancouver-based architect Michael Green, wooden buildings offer a cheaper and greener alternative to more commonplace steel structures. Other parts of the world are already taking an active interest in constructing large, wooden buildings, namely Canada and parts…