Two business professors spent five years studying Walmart's ambition project to bring sustainability to its millions of budget-conscious customers – a plan that began with the birth of a granddaughter.
Mass hysteria and lawlessness during disasters are remarkably rare, contrary to Western Cape Premier Helen Zille's prediction of anarchy when Cape Town's taps run day.
An abandoned street in the Lower Ninth Ward in August 2006. .
REUTERS/Lee Celano
Ten years after Katrina, recovery in New Orleans is mixed – divided in familiar patterns between white and black, rich and poor. The same groups that suffered the brunt of the storm still struggle.