code below is prepared for estimating the carbon emission in the future written for R language

library("forecast")

ts(c(4.31, 4.30, 4.17, 4.27, 4.49, 4.65, 4.39, 4.61, 4.67, 4.96, 5.13, 5.09), start=c(2007,1)) %>%

 Arima(order=c(1,2,0)) %>%

 forecast(h=5) %>%

 autoplot