Students from around the world calculated their class mean and standard deviations for their footprints and posted them on our world map.
Do you see differences across the globe? If so, why do you think those differences exist?
Did you use the calculator to try to reduce your footprint down to the average from a citizen of another country? What changes would you have to make to lower your footprint in this way? Are you going to try and take some of these actions in your daily life?
Student Footprints >
Cheste (Spain)
Air pollution is one of the major problems of today. In Madrid, for example, last Christmas the town hall restricted cars of even number plate for reduce the air pollution because Spain is on alarm.
The town hall of Madrid, one night, decided calculate the level of contamination of the city for know if it could do this measure. On reaching the limit that they putted, they accepted do this practice. The cars whit even number plate can’t drive on Madrid one day of week.





