"China has a unique problem -- it has too much cash,"?

Here is a few things they are doing with the cash for Africa:

• China's growing aid programme to Ghana includes the 600 million dollar Bui Dam on the Black Volta River.
• In October 2007, Beijing’s Tianpu Xianxing Enterprises and Kenya's Electrogen Technologies started building the first solar panel factory in Eastern Africa, in a 125 million dollar joint venture.
• Some 200,000-350,000 photovoltaic systems are in use, demonstrating that solar power is viable even for poor households in an unsubsidized market.

Read more.