The Textbook
It provides an integrated, system-oriented introduction to the concepts, theories and issues surrounding the quest for a sustainable future for Planet Earth.Research & Education Tools
In this section we are collecting interactive tools that can be used for research and teaching.Featured Content
Other Educational Material, Narratives and Relevant Content
Energy Economics
Energy use: economics of energy saving
The dynamics behind the changes in energy intensity is an important topic in energy economics. Goods and services are produced with a variety of inputs and a so-called production function […]
Desalinization: a necessary option?
A technology to supply water in relevant amounts is desalinization of seawater. It is at the intersection of water, food and energy issues, because the water for drinking and food is a necessity of life […]
Food Price Elasticity
Estimating food demand
Past food demand equals use by definition and is determined from historical measures and correlations. To estimate long-term future food demand, populations at country level are segmented by income group and […]
Input-Output Methodology
Input-Output methodology
Measuring monetary flows: I-O matrices
National economic models have usually more sectors than the economic growth models discussed so far. Such sectoral disaggregation is based on a table or matrix of the intersectoral flows, or […]
