We need to abandon the water stress index as a way of defining water scarcity and insecurity in Sub-Saharan Africa, as it fundamentally misrepresents current and future water crises in the region.

Risk indicators on European banks have risen in recent weeks asinvestors fret about the exposure the banks have to the euro-zone's debt-heavyfringe.

He hopes other videographers will join his nonprofit "Bicycle Test" project and create a worldwide insecurity index.