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The cost of doing business in California has risen for builders who, in the face of the severe drought, now need to find grey water to keep the dust down. In addition, many are building xeriscaping into home design to reduce water use. "We're addressing a social need -- that we have to find ways to live with less water," said Barry Grant, Northern California division president for Meritage Homes. American City Business Journals/Sacramento, Calif. (5/7) 

The building industry has become more analytical and data-driven as it has moved toward more sustainable forms of construction. Conventional construction is falling by the wayside in major markets because "people are just realizing that green building makes sense," said Nathan Taft, director of acquisitions for green builder Jonathan Rose Cos.

The Portland, Oregon, city council yesterday passed a law banning the demolition of homes build on or before 1916. The law requires old homes to instead be deconstructed, allowing builders to salvage and reuse lumber and other materials. The city expects the new deconstruction policy will divert 8 million pounds (4,000 tons) of materials for reuse annually.

Canada's CarbonCure Technologies uses carbon dioxide produced during the cement-making process to fill tiny voids in concrete blocks. As a result, the block absorbs less water, is 20% stronger and more sustainable, according to this article. Builders can use the product to help set them apart from competitors and can "reduce the cost of their production by harnessing the material benefits of CO2, such as high early strength, lower water absorption, and other secondary benefits," says Robert Niven, the company's founder

A coalition of companies with skin in the game - food and beverage giants General Mills, Driscoll's and Coca-Cola North America, Gap Inc., Symantec and home builder KB Home - are coming together to launch a new campaign urging companies to enact more aggressive measures to maximize California's local and state water resources.