Go to the website indicated below. Solve the puzzles for information, gather some more information in the program "Twenty things you can do", add up your own CO2 emissions, solve the word puzzle in the end (you can just print it out or do it on-line) at http://www.enviroweb.org/edf/games/index.html
Reflect about what consumption patterns and other features of your lifestyle directly add greenhouse gases to the atmosphere. Which, if any, of these things would you be willing to give up to slow projected global warming and reduce other forms of air pollution? Make comments on your classmates suggestions.