The US builds 5 billion square feet of new construction each year, renovates an equivalent amount, and tears down 1.75 billion. In the next 30 years, we'll take down 52 billion, renovate 150 billion, add 150 billion. By 2035, 80% of our built environment will be new or renovated.
Growth in the sustainable building material market appears to be bucking the general decline in the construction market, with sales of sustainable building materials projected to grow from $12 billion in 2008 to $60 billion in 2010.
According to a 2007 survey conducted by the National Homebuyers Association, home buyers indicated that they were willing to spend up to $8,964 more for an energy efficient house that will yield lower utility costs.
A 2007 survey conducted by Environmental Building News found that school construction is a growing market for sustainable construction materials. In 2007, the educational construction market totaled $57 billion in the United States, and an estimated 5-10% of this market will be green by 2010, for a total of $2.85 to $5.7 billion.
Capital investment in green construction is growing. Joining the insurance companies are many state and local government agencies and institutional investors such as universities. These organizations are an element of the socially responsible investment movement, which guides over $2 trillion or more in capital.
To bend curve down, take the new building standards down a notch every 10 years; at 2010, the reduction target for new construction and major renovations would be 60% 2015: 70 2020: 80 2025: 90 2030: carbon neutral, requiring no fossil fuel energy to operate