Proliferation of Homes Threatens Biodiversity

There's a lot of talk these days of economic troubles causing young adults to move back in with mom and dad. Although many of those returning home hope it's only temporary, they can take heart in the results of a new study that suggest they're helping to conserve biodiversity. According to a report published online today by the journal Nature, the rising number of households, and the shrinking number of people living in each one, are harming conservation efforts more than overall population growth is.