Jeffrey D. Sachs*

The world is at a crossroads. Either the global community will join together to fight poverty, resource depletion, and climate change, or it will face a generation of resource wars, political instability, and environmental ruin.

The World Bank, if properly led, can play a key role in averting these threats and the risks that they imply. The global stakes are thus very high this spring as the Bank's 187 member countries choose a new