The Limits to Growth by Meadows et al. (1972) presented a system dynamics model of the global ecosystem and economy, called World3. The original simulation was written in a language called DYNAMO. The code in this repository, written in 2012, attempts to translate the DYNAMO World3 program into JavaScript.
You can run the program in a web browser at http://bit-player.org/extras/limits/ltg.html.
For background on the project see:
- "Computation and the Human Predicament: The Limits to Growth and the limits to computer modeling," by Brian Hayes, American Scientist Volume 100, Number 3, May-June 2012, pp. 186–191. Available online in HTML and PDF.
- World3, the public beta (article posted on bit-player.org).