The International Institute for Applied Systems Analysis (IIASA) is an independent, international research institute with National Member Organizations in Africa, the Americas, Asia, and Europe. IIASA in other to address issues too large or complex to be solved by a single country or academic discipline has put together the Young Scientists Summer Program to train and equip young scientists in the field of applied systems analysis. Such challenges as climate change, biodiversity, energy security, and sustainable development, must be solved by international cooperation.