Regarding the air quality issue, there was the 17 year old who won the International Science Fair for his air circulation invention: http://www.thestar.com/news/canada/2015/05/16/bc-student-win...
Regarding the air quality issue, there was the 17 year old who won the International Science Fair for his air circulation invention: http://www.thestar.com/news/canada/2015/05/16/bc-student-win...