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Climate Interactive - C-ROADS

C-ROADS is an award-winning computer simulation that helps people understand the long-term climate impacts of policy scenarios to reduce greenhouse gas emissions. It allows for the rapid summation of national greenhouse gas reduction pledges in order to show the long-term impact on our climate.


  • Translates climate mitigation scenarios into emissions, concentrations, temperature, and per-capita emissions outcomes
  • Offers ability to quickly run real-time policy analysis on a laptop or desktop computer
  • A graphical user interface that non-modelers can use to test “what if scenarios”
  • Ability to analyze up to 15 different nations or negotiating blocs simultaneously.
  • Backed by a scientific review committee of renowned climate and systems dynamics experts
  • Outputs are consistent with the larger, more disaggregated models used in the IPCC’s AR4
  • Model assumptions, inputs, and methodology are made transparent and in many cases can be easily adjusted to suit the user
  • Video tutorials are available online to guide use

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Mathematics Freshman Seminar Course - A Climate of Uncertainty

This collection contains the teaching materials I used for designing the Freshman Science Seminar Mathematics 190 - A Climate of Uncertainty at UNC-Chapel Hill Fall 2013.   This collection is maintained as a reference for other instructors interested in teaching about climate change using open curriculum.  I made extensive use of the training modules provided by MetEd to utilize a "flipped classroom" approach.  Traditional lecturing was largely replaced by assigning the training modules in this collection for homework and having my students send me their quiz scores.  In class, I utilized a mix of "read and report" group presentations, discussions, roleplays, and modelling exercises on laptops.   I encourage others to build and improve on the ideas I had for this course, and to contact me  with questions related to the materials and course design.



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Colin James Grudzien