Carbon Footprint Varygood-Boy

What is "Carbon Footprint Varygood-Boy"?

Let’s think about environmental issues with Varygood-Boy! Just answer a simple questionnaire and it will tell you your annual CO2 emissions.
You can play with it from this site.


  • It tells you how much CO2 you are emitting.
  • Cute UI and game-like play.
  • Results can be easily shared via Twitter!

How to use

1. Accessed at
2. Press the "はじめる" button to begin. Answer a few questions.
3. Once you have answered to the end, your annual CO2 emissions will be displayed.