
Energy used to plough the land, to seed, to harvest and to transport is emitting more CO2 than the plants can capture. If the crop is not growing well, you can already emit more carbon than you save (Carbon per hectare). The thing is, when we have to evaluate the greenhouse gas emitted in the agricultural process, that gas does not have a national boundary so we have to do the analyses at global level. Whatever I do in Romania, Italy or Brazil it does not matter to the air because all gas ends up in the atmosphere. Where will the biofuels be grown (Land availability)? Agricultural land has increased in geometrical progression along the last decades. In Europe we are using less land, but if one looks at what is happening if Latin America or other parts of the world, we will see that Europe is importing soy beans, for example, which were grown on 50 million hectares outside. While Europe saves, say, 5-7 million hectares, it puts the claim of land requirement to other parts of the world.
What counts is what happens globally so we are using more land for our food production than in the last few decades and the question is will we need more or less land to grow and feed the increasing number of people. People are becoming richer so they will require richer diets. For the coming decades we will need more agricultural land in the world ONLY to feed the people, around 200 million hectares more ONLY for food crops and not taking into account biofuels. This is the background of the debate and on top of that we need biofuels. Each and every hectare that we use for biofuel, it will put the claim on even more land.
In the end, if we need more land it should come from somewhere. We will not use desserts so whatever we have in expansion are areas that are fertile and that yield a reasonable production. These are always the FORESTS. And when they are all chopped, we will need another planet for our food crops.
