Using new water meters, South Africa's found a way to put conservation and commerce on the same page. But Gretchen Wilson reports human costs don't appear on the bill, and the disparity of who gets water -- and how much -- has the potential to be a flash point.
South Africa's economy is growing at almost 5% a year, with prosperity visible in major cities. But 13 years after the nation's first democratic elections, the boom hasn't trickled down to the poorest communities. And angry residents are speaking out. Gretchen Wilson reports.
Zimbabwe suffers from an inflation rate the government pegs at 7,000 percent. But it's maybe two or three times that in actual practice. Reporter Gretchen Wilson helps us understand what that really means.
The World Bank is offering grants to those who can come up with low-cost alternative light sources for Africa, which spends billions of dollars a year on unsafe non-electrical lighting. Gretchen Wilson has more.
Reports are coming in from South Africa that miners yesterday unearthed a light green diamond more than double the size of what was the world's biggest. If it's assessed to be a similar quality gem, the bidding will be fast and furious, Gretchen Wilson reports.