Not all biofuels are GM, but GM technology is often critical to the development of biofuels, and Monsanto has been at the very heart of the biofuels lobby, particularly for ethanol and biodiesel. The videos in this section explain why biofuels have been criticised for hurting the poor, for causing major deforestation and for stealing agricultural land essential to farmers in the developing world. Studies also suggest biofuels may be far worse in terms of greenhouse gas emissions than even fossil fuels.