As the world’s population grows, so does demand for land. One upshot is that setting aside big tracts to protect endangered species and carbon-rich forests is increasingly expensive.

Enter the Airbnb economic model. While it’s not a panacea, it provides attractive solutions for conservation as well as housing.

Much as homeowners can use Airbnb and other services to turn their living space into pop-up hotels when demand warrants it, conservationists are creating “pop-up nature reserves” on idle land… Read more from the New York Times