Build it and people will follow — that’s the nature of roads. In many parts of the world, that fact is having an impact on ecosystems, with increased human access leading to habitat and wilderness loss, fragmentation, wildfires, overhunting and other environmental degradation. With a 60 percent increase in global road expansion predicted by 2050, careful planning of road building is crucial.
In a report published this week in the journal Nature, researchers have offered a “global road map” to steer road expansion into areas that would have maximum human economic and social benefits while protecting areas with high environmental values such as biodiversity, ecosystem services and carbon storage. Continue reading