Through operations, the residential sector generates 21% of greenhouse gas emissions, the commercial sector 17% and the industrial sector 10%. (US Energy Information Administration, 2003)

Over the next 30 years, the building stock is projected to grow to nearly 400 billion square feet. About 75% of the buildings will either be built or renovated in that period. (Nelson, 2004)

The City of New York's GHG inventory revealed that over 60% of the city’s government emissions were from municipal buildings and 79% of the emissions citywide were related to operation of buildings.(New York City Mayor’s Office of Long-term Planning and Sustainability, 2007)

Green schools add 2% to construction costs but result in financial benefits worth 20 times as much. (Kats, 2006)

There is no significant difference in average cost for green buildings as compared to non-green buildings. (Langdon, 2007)

Upfront cost increases for green buildings range from nothing to 2% and lower the expected lifetime operating costs by 20% — 10 times the initial investment. (Kats, 2003)

LEED certified commercial and institutional buildings are designed to use an average of 32% less electricity, 26% less natural gas and 36% less total energy than standard buildings. (USGBC)

Preliminary analysis estimates that the GHG reductions from each new GreenPoint Rated home keeps 2.5 tons of carbon dioxide out of the atmosphere each year. (StopWaste.Org)

A recent survey revealed that of the 134 respondents, nearly 9 in 10 cities surveyed will require city capital projects to achieve green building standards; 56% have a policy in place, and 31% anticipate adopting one within a year. (U.S. Conference of Mayors)

Energy Star Challenge would improve the energy efficiency of commercial and industrial buildings by 10% or more, saving businesses $20 billion a year and reducing greenhouse gas emissions enough to equal those from 30 million vehicles. (US EPA)

Green features included in 2% of new homes built in the United States in 2006, created a $7.4 billion market for green homes. (McGraw Hill Construction, 2006)

Nearly 100,000 certified green homes have been built in the US since the mid-1990s. (National Association of Home Builders)

In the United States, commercial buildings provide approximately 78 billion square feet of floor space. These buildings can save 35% or more on annual energy costs through energy-efficient upgrades, creating more than $25 billion in annual savings. (USEPA)

Green buildings are designed to use 40% less water and construction that results in 70% less solid waste, further reducing emissions over traditional construction and operation. (USGBC)