This game introduces learners to the scale of the greenhouse gas problem, plus technologies that already exist to dramatically reduce our carbon emissions and prevent climate change. Players pick eight carbon-cutting strategies to construct a carbon mitigation portfolio, filling in the eight wedges of the stabilization triangle. Learners will discover that there is no easy or "right" solution to the carbon and climate problem. This resource links to a Teacher's Guide that contains background information about the stabilization wedge concept and climate change, descriptions of current mitigation tools to reduce emissions, and materials and instructions for playing the game.