All rights reserved. No parts of this thesis may be reproduced, stored in a retrieval system or transmitted in any form or by any means without permission of the author. had. First time, we met at iEMSs 2016 conference, where I presented my first PhD paper. There, you encouraged me to apply for Young Scientists Program at IIASA. The next summer, you along with Fabian and Wolfgang turned to be my YSSP supervisory team. I enjoyed and learned from every second of our long meetings and discussions. Being in IIASA and meeting and collaborating with fantastic team of scientists opened my eyes to the real science world. That's why I keep retuning there every now and then. So get ready for my next visit! I also would like to thank IIASA AIR program colleagues, specially Zig, Markus, Lena, Peter, Janusz and Carmen for all our great meetings, nice chats, and interesting lunch times. My global YSSPer2017 family, you are all awesome! I am pretty sure we will cross paths very soon again. I also would like to express my deep gratitude to Dr.