gray water, definition of

Domestic wastewater composed of wash water from kitchen,
bathroom, and laundry sinks, tubs, and washers.

• 19th-century Catalan ruins are revived into a self-sufficient home
  Spanish architecture firm Andrea Solé Arquitectura has given new life to the ruins of Can Tomeu, a historic Catalan building from the 1800s that is now a modern, self-sufficient home...
• Century-old building is reborn as a LEED Platinum home in San Francisco
  When architect Jonathan Feldman of Feldman Architecture began remodeling his home in San Francisco in the early 2010s, the growing green building movement in the city inspired him to turn his residence — dubbed ‘The Farm’ after its overgrown backyard...
• Kuehn Malvezzi tops a brick office building in Germany with an energy-efficient greenhouse
  In the historic center of Oberhausen, Berlin-based architectural firm Kuehn Malvezzi has created a job center topped with a greenhouse in an unprecedented example of “building-integrated agriculture” in Germany...
• Modular Aquatecture panels can harvest rainwater from the sides of buildings
  In response to the severe water shortage that recently gripped Cape Town, South African-born designer Shaakira Jassat of Studio Sway has developed Aquatecture, a building facade panel designed to harvest rainwater runoff as well as moisture from the atmosphere...
• This beekeepers workshop uses sustainable design to minimize its footprint
  In a bid to save northern Brazil’s rainforests from deforestation and land exploitation, São Paulo-based architecture firm Estudio Flume has recently completed Casa do Mel, a beekeepers workshop that serves as a self-sustainable business alternative...
• Rammed earth Kopila Valley School is the greenest school in Nepal
  In Nepal, access to education doesn’t just improve job prospects — schools can save lives, whether it’s rescuing children from malnourishment or delaying the age of marriage to reduce rates of HIV, maternal death and suicide...
• 3XN unveils a sustainable redesign for the Sydney Fish Market
  Danish design practice 3XN has revealed its competition-winning redesign for the Sydney Fish Market, a waterfront marketplace that will undergo a $250 million expansion and, in the process, revitalize the waterfront...
• Sustainable desert home has a small water footprint in Nevada
  Las Vegas-based Hoogland Architecture designed the Arroyo House, a forever home for a couple with a penchant for the outdoors and sustainable design. Located in the tiny town of Blue Diamond just outside Las Vegas in the Mojave Desert, the Arroyo House...
• Energy-savvy art museum is anchored atop a historic Dutch dike
  Rising out of a historic dike, the new Lisser Art Museum pays homage to the landscape’s context while offering a new contemporary cultural destination in Lisse, The Netherlands...