Rural accessibility is the only metric used in the Sustainable Development Goals to track progress toward better transport services in low- and middle-income countries. This paper estimates the rural accessibility index, defined as the proportion of the rural population who live within 2...

Technological revolutions have increased the world's wealth to a level that was once unimaginable. They have done so unevenly, however, and in ways that have accelerated climate change. Technology Transfer and Innovation for Low-Carbon Development argues that most of the emissions reductions...