German Gorraiz Lopez, adds that you consider, that the scarcity of basic agricultural products for food (wheat, maize, rice, sorghum and millet), and the bestial increase for those products on the world markets which had its tip of iceberg in 2007, will go in crescendo throughout the decade until reaching its zenith in the 2020 horizon. to reach the crisis(whose first sketches are already profiled and that will end up drawing with all its harshness at the end of the next decade), contributed the following suicidal economic elemento:desarrollo of the countries of the third world with unreasonable growth of macrourbes and tourist megacomplejos and consequent reduction of land devoted to farming.Changing patterns of consumption in the emerging countries due to the dramatic rise of the middle class and their purchasing power and the weakness of the dollar and the collapse of the crude prices with the consequent diversion of speculative investments to commodity markets.This increased use will be joined by the countries of the first world of technologies predators, (biofuels), which under the label BIO-friendly countries with the environment, not hesitate to engulf huge quantities of maize initially destined for the power for the production of biodiesel, together with unusual droughts and floods in major global barns.An important aspect in this crisis, has also regards the increase in prices, which now with the global financial crisis has led to unattainable prices for many in the acquisition of products. Taken into account, as es.wikipedia org reminds us. that many factors contributed to the increase in basic prices. Analysts have explained it as a crucial combination of factors: poor harvests in various parts of the world due to the climate, low levels of reserves of food, increased consumption China and India, global population growth, increased consumption of biodiesel and changes in the global economy. One of the causes of the increase in prices would be the use of U.S.