A simple model
IAM Integrated Assesment Models NGFS # Note references Earth as a system see https://scied.ucar.edu/learning-zone/earth-system (“UCAR,” n.d.) Climate modelling : https://www.e-education.psu.edu/earth103/node/670 (Bralower and Bice 2023 module 3 lab) the original Stella model is available [here](https://exchange.iseesystems.com/public/davidbice/earth103-m3q1-4/index.html#page1)