Studies on Climate Change in the World and Current Situation in Turkey

In this study, the evaluation of studies based on climatic changes has been done. this evaluation includes climatic changes’ effects both on agricultural sector and its general effects. for this purpose,the researches connected to the subject have been examined, process and results are evaluated comparatively. consequently, findings obtained from these researches show that there are incohorences and no concensus. also these studies show that there is a severe lack of data availabity. in order to acquire more reliable results, there is a necessity of increasing solubility of models used in these studies and making of studies on forming reliable data bases.