With the United States facing a , researchers from the University of Maine believe they may have found a solution to the problem.To date, most solutions have involved the use of concrete or clay and traditional building methods like wood framing.The center’s 600-square-foot prototype features 3D-printed floors, walls and a roof made of sustainably-sourced wood fibers and biological resins., a senior fellow at , argues current housing issues can be traced back to restrictive that allow residents to block attempts to build more homes in their neighborhoods.As of 2018, global production of the material contributed to about of annual greenhouse emissions, or more pollution than was produced by the entire airline industry."