this approach is no longer tenable. Inevitably, the prices of the biofuel crops increase, which in turn causes distortions in global agricultural production as a whole, and land previ ously considered uneconomic is cultivated(including rainforest and wetlands, which contain extensive stores of carbon). In turn, increasing food prices impact particularly hard on the poorest in the world. Grunwal(2008) attributes food riots in Mexico and the destabilization of Pakistan to soaring corn prices, which themselves are a result of increased ethanol production for fuel in the United States concludes by stating that biofuels aren't part of the solution They're part of the problem, a view that Sperling(2008: 5) concurs with in relation to the corn ethanol oduced in the United States. He states: 'In sum, corn ethanol is expensive and provides no net environmental benefits. The main societal benefit is a small reduction in oil imports, gained at a substantial cost. According to(2008) the palm oil industry has already used 6.5 million hectares of plantations in Sumatra and and removed an estimated 10 million biofuels