Copenhagen offers the prospect of a robust political deal, endorsed by the world's leaders and witnessed by the world's people, that sets out clear targets and a timeline for translating it into law. To be a truly historic achievement, such a deal must do two things.

First, it must...

Africa's potential is often overlooked. Yet the continent abounds in untapped natural and human resources. The United Nations, for example, estimates that there are over 800 million hectares of unused, cultivable land that could provide the basis for a green revolution in food production -- land which could be used...

As the world's wealthy and powerful arrive in Davos, the world looks a gloomy and uncertain place. Every day the prospects for the global economy look bleaker. We don't know how deep or long-lasting the downturn will be. But we do know there is plenty of pain to come.