Concentrations of radiatively active gases - carbon dioxide and methane - increased in 1995 at rates similar to those observed over the past few decades following a slow-down in the rate of increase in 1992 and 1993.
(those; observed; T:over the past few decades; T:following a slow-down in the rate of increase in 1992 and 1993)
those
observed
T:over the past few decades T:following a slow-down in the rate of increase in 1992 and 1993