How much will the sea level rise in the next fifty years? What are the potential socio-economic scenarios in the 21st century? How are we going to deal with these issues? There are no definite answers to these questions. However, these matters define the way we shape our world today. These and many other questions, are present in the Autumn School “Dealing with uncertainties”, organized by the Sense Research School, where scientists and policy makers present methods, experiences and concerns dealing with uncertainties....If it is possible to deal with them!