Report says real estate industry energy consumption down 4.8 percent in 2012.
Increased scale cited as a key benefit.
Mall REIT details conservation programs.
Overall operating expenses down across the country.
NAR projects multifamily rent growth to double
Hotels outperforming broader REIT market in 2013.
Student housing communities expected to be fully leased for school year.
Served as CEO and chairman from 1992 to 2007.
July witnessed largest post-recession drop.
CEO David Neithercut most proud of returns, corporate governance.