The average CO2 molecule does spend only a few years in the atmosphere, giving that 2 - 3 year residence time you cite. (realclimate.org)
FYI: My Japanese wife has just received 5 year residence permit based on this ruling. (europeanlawblog.eu)
His media career has spanned more than 25 years across three continents, including a stint in the British music industry and a six - year residence in Taipei, where he learned Mandarin and worked for a local TV network and newspaper. (ibpa-online.org)