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.Lectures & Tools
In this section we are collecting lectures and 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
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 intermediate […]
Catastrophe Theory and Tipping Points
Modelling catastrophic change
The simplest mathematical equation that represents bifurcations and catastrophic change is a first order differential equation of the form:
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