A sharp rise in flooding the last 40 years seems to correlate with an 8-inch average rise in sea levels over the past century.
Provisions of the law include an incentive program to lower the cost of the most efficient cold climate heat pumps.
Even after a difficult winter, the NZE home has managed to save $4,373 over the last year.
Both agencies have begun fining lenders and insurers over the last several years.
Builder confidence in the market for newly-built single-family homes reached an important milestone in July, rising four points to a reading of 53 on the Housing Market Index.
While homeowner equity is at its highest level since 2007, 6 million homeowners are still underwater on their mortgages.
2012 statistics show construction fatalities on the rise, with North Dakota's rate 10 times the national average
The new standard could reduce carbon pollution by up to 34 million metric tons and reduce energy use by 46 percent.
Builders are considering a new standard higher than code-minimum but less demanding than LEED and other certifications.
According to Passive House thought leaders, a large-scale retrofit can improve CO2 levels by 80 percent over incremental changes