Welcome to the 21st-century world of microhousing. From San Francisco to Seattle to Mexico and beyond, architects and builders are betting there’s a market for small spaces that live large with the help of cutting-edge design. The projects are praised for providing (relatively) more affordable housing options in cities with stratospheric rents. They’re praised for being environmentally friendly — amenities often include bike parking, and LEED certification for sustainability is common — and for revitalizing long-neglected urban neighborhoods. Read more.