Adopting a Comprehensive, Integrated, Multi-Pollutant  By reducing emissions of the three key sources of air pollution at the same time, the Clear Skies Initiative will produce environmental results more effectively and efficiently than the current labyrinth of overlapping and uncoordinated single-pollutant requirements.
The three main sources cause most of the problem.
mnli hypothesis: The three main sources cause most of the problem. premise: Adopting a Comprehensive, Integrated, Multi-Pollutant  By reducing emissions of the three key sources of air pollution at the same time, the Clear Skies Initiative will produce environmental results more effectively and efficiently than the current labyrinth of overlapping and uncoordinated single-pollutant requirements.