One week after its IPO, China Biodiesel International, a company that makes biodiesel - profitably - from waste oil closed up today on London's AIM near 2% at 106p. This waste oil is collected by suppliers and includes old cooking oil, expired oil from grain depots waste oil from animal fats. The company has 16 suppliers both local and national. It also imports waste palm oil from Malaysia.

Some people - like NY Times columnist Thomas L. Friedman - believe that China will be forced to become the first country to go green on a massive scale. Although the Chinese economy is growing at 10% p.a., some figures suggest it is losing 2% from environmental damage.

See these video clips of a seminar with Friedman and Senator Luger that discuss this and other issues.