Airship "H" that cleans the atmosphere

Name :
Hikaru Nagasawa
COUNTRY :
Japan / Shiga
AGE :
9
YEAR :
2012
PRIZE :
NHK President's Prize
COMMENTARY :
This ship sucks in air that is polluted with radiation or exhaust gases, and replaces it with clean white clouds. It would be great if there really were such a ship.
Airship "H" that cleans the atmosphere