The Green Houses face several obstacles, including regulatoryissues. But some say they also face resistance from existing nursinghomes, which are based on an economies-of-scale model — the larger thehome, the cheaper it is to care for each individual resident.  While some nursing-home operators welcome the idea of Green Houses,others are reluctant to help pay for them, says Susan Reinhard, whoheads the AARP’s Public Policy Institute. “You have owners who havetheir personal wealth invested in a model that was requested by societyway back,” she says.

Source and more:  WSJ Health Blog, http://blogs.wsj.com/health/2008/06/24/green-houses-a-nursing-home-alternative-get-green-backing/