Sources and Sinks of Green House Gases
温室气体的源与汇

The concepts of green house effect and green house gases are introduced The sources and sinks of present main green house gases, which are CO 2 , CH 4 , N 2 O, HFCs, PFCs, SF 6 are explicated Though the concentrations of HFCs, PFCs, SF 6 are very low presently, as they have high global warming potential value and long lifetime especially for PFCs, SF 6 , any emission from human activities will cause irreversible increase, so they should be paid much attention