About Global Urban Air Pollution Observatory
the global urban air pollution observatory (guapo) is an associated founded in 2017 at the initiative of anne hidalgo, mayor of paris, and patrick ollier, president of the greater pa... Read more
the global urban air pollution observatory (guapo) is an associated founded in 2017 at the initiative of anne hidalgo, mayor of paris, and patrick ollier, president of the greater pa... Read more