Question5: What is the CO2 concentration today?

This minivideo provides information to be able to answer to question 5 of the game "How does our planet work? Climates". The basic concept in this minivideo is about greenhouse effect, natural one and anthropogenic one as well as global warming. All minividéos can be found on the blog at :jeuclimatsen.bl...
To reserve a copy of the educational game about Climates, please go on the blog : jeuclimatsen.bl...