Updated green codes would add $14,000 to the cost of new homes, Energy Department officials said Friday, adding a significant ...

Green building codes have failed to conserve energy use in the nation’s most populated state, according to a new study published by the National Bureau of Economic Research. California, currently home ...

Tempe has unanimously adopted new environmentally friendly building rules after spending nearly a decade putting together the policy, a move that officials hope will reduce carbon emissions and bring ...

Future developments in Scottsdale will now have to follow the city’s environmentally-friendly “green building code,” a set of construction rules that are expected to cut a fifth of each new building’s ...