Not only does 3d-printing allow greater versatility and faster construction, it also promises lower cost and in a more environmentally friendly approach than is possible at present. That may make it a useful answer to two challenges now facing the world: a shortage of housing and climate change. About 1.6bn people—more than 20% of Earth’s population—lack adequate accommodation. And the construction industry is responsible for 11% of the world’s man-made carbon-dioxide emissions
Source: The rise of 3D-printed houses