The World3 model is a system dynamics model for computer simulation of interactions between population, industrial growth, food production and limits in the ecosystems of the earth. It was originally produced and used by a Club of Rome study that produced the model and the book The Limits to Growth. wikipedia 
Forrester and others built models of the world economy that launched the discipline of highly abstracted simulations as a worthwhile endeavor. As we explore the potential of our own modular modeling approach we join the gaggle of World implementors. wikipedia
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escalate | BrE ˈɛskəleɪt, AmE ˈɛskəˌleɪt | A intransitive verb sich ausweiten (into zu) eskalieren (formal) (into zu) ‹Löhne, Preise, Kosten›: [ständig] steigen B transitive verb ausweiten (into zu) eskalieren (formal) (into zu) beschleunigen ‹Anstieg›