The Carter Center Friday called on the government of the Democratic Republic of Congo (DRC) to reveal the terms under which a state firm sold a mining concession to a subsidiary of Swiss group Glencore.
The minerals in the south-eastern Katanga region represent potential riches for the Democratic Republic of the Congo, but a lack of electricity is preventing the country from fully exploiting them.
The launch of a free trade agreement by three African economic blocs in Egypt this week will be an important step towards a potentially game-changing common market spanning the continent, supporters say.
A Chinese company that develops online games bid more than US$2.3 million Friday to win a private lunch with Warren Buffett.
Growing optimism over Africa's economic future is set to draw more than 1,250 delegates from governments and international corporations Wednesday to the three-day "African Davos" in Cape Town, the World Economic Forum said.
Africa has long been the El Dorado just over the horizon for airlines, but sustained economic growth and the emergence of a middle class on the continent may finally clear the obstacles from the runway.