Increase in HFC-134a emissions in response to the success of the Montreal Protocol.

Fortems-Cheiney, A.; Saunois, M.; Pison, I.; Chevallier, F.; Bousquet, P.; Cressot, C.; Montzka, S.A.; Fraser, P.J.; Vollmer, M.K.; Simmonds, P.G.; Young, D,. O'Doherty, S.; Weiss, R.F.; Artuso, F.; Barletta, B.; Blake, D.R.; Li, S.; Lunder, C.; Miller, B.R.; Park, S.; Prinn, R.; Saito, T.; Steele, L P.; Yokouchi, Y.