The increasing food demand leads to an increase of the world food production. Nevertheless, there is the fear that neither yield increases nor exploitation of new croplands will be able to cope with this need. The ongoing changes will decrease the agricultural productivity of some areas (the Mediterranean among these), due to a lower soil fertility and water availability, whereas others will get an advantage, mainly in the north. On the other hand, the demand for meat is still rising, thanks to better living conditions in emerging countries. However, meat production, particularly livestock, has an important impact on climate as well as on the environment. Moreover, “energy crops” not only help questionably to reduce greenhouse gas emissions, but they have already shown a negative impact on prices of food cereals. With this background, a new version of “Decide” game has been created on the theme of sustainable agriculture, emphasizing the topic of resource consumption and greenhouse gas emissions.