This article from the National Real Estate Investor and the U.S. Green Building Council reports on a survey about green investments during the recession of 2009. While new construction in 2009 was near zero, 73% of developers retrofitted properties with green features. 66% of developers think that green features will become required by building codes. Green building space commands about 2% higher rents than non-green space. Tax incentives would promote the installation of green features. Two-thirds of developers and corporate leaders see green as important.