Data from 1999-2001 and compared to the value of pollution in recent years 2001-2005 which has reduced pollution fees and predicted that in the future will be able to reduce greenhouse gas emissions levels.
The data from the year 1999-2001 compared to the emissions in the 2001-2005 if there are any pollution reduction. And predicts that the future will be able to reduce emissions at any level.
The data from the year 1999-2001 compared with the pollution in 2001-2005 was any pollution reduced And the predicted that in the future will be to reduce greenhouse gas emissions at any level