Professor Dr. Md. Nazrul Islam is a Professor at the Department of Geography and Environment in Jahangirnagar University, Savar, Dhaka-1342, Bangladesh. Prof. Nazrul has completed his Ph.D. from the University of Tokyo, Japan. Besides, he has completed Two Year Standard JSPS Postdoctoral Research Fellow from the University of Tokyo, Japan. His fields of interest are environmental systems modeling, climate change impact on aquatic and marine ecosystem especially phytoplankton transition, harmful algae by coupling hydrodynamics numerical model on coastal seas, bays and estuaries etc. Prof. Nazrul has made more than 40 scholarly presentations in more than 20 countries around the world, authored more than 110 peer-reviewed articles and authors of 10 books and research volumes. Prof. Nazrul has published an excellent book entitled "Environmental Management of Marine Ecosystems" jointly with late Prof. Sven Erik Jorgensen by the CRC press (Taylor & Francis). He has also edited an excellent book entitled: Bangladesh I: Climate Change Impacts, Mitigation and Adaptation in Developing Countries, Springer Publication, the Netherlands & Germany. Prof. Nazrul is currently serving as an "Executive Editor-in-Chief" of the journal "Modeling Earth Systems and Environment", Springer Publications (Journal no. 40808). Prof. Dr. Andre Ronald van Amstel is an Assistant Professor at Wageningen University and Research, the Netherlands. Andre van Amstel studied Physical Geography and Planning in Amsterdam and has a long standing expertise in Integrated Environmental Assessment. He contributed to the development of Integrated Model to Assess the Global Environment at the Institute of Public Health and the Environment in the Netherlands. He is particularly interested in the global environment and the risk of a runaway greenhouse effect by methane from melting of the permafrost in the Arctic. Van Amstel contributed to the IPCC 2006 Guidelines on Agriculture, Forestry and Land use and as such contributed the Nobel Peace Prize 2007 for Al Gore and the IPCC. Since 2014 he is a member of the Nordforsk Scientific Advisory Board for the Arctic Council of Ministers on Arctic Integrated Environmental Research.