Crbn ccntng (r grnhs gs ccntng) s frmwrk f mthds t msr nd trck hw mch grnhs gs (GHG) n rgnztn mts. t cn ls b sd t trck prjcts r ctns t rdc mssns n sctrs sch s frstry r rnwbl nrgy. Crprtns, cts nd thr grps s ths tchnqs t hlp lmt clmt chng. rgnztns wll ftn st n mssns bsln, crt trgts fr rdcng mssns, nd trck prgrss twrds thm. Th ccntng mthds nbl thm t d ths n mr cnsstnt nd trnsprnt mnnr.
Th mn rsns fr GHG ccntng r t ddrss scl rspnsblty cncrns r mt lgl rqrmnts. Pblc rnkngs f cmpns, fnncl d dlgnc nd ptntl cst svngs r thr rsns. GHG ccntng mthds hlp nvstrs bttr ndrstnd th clmt rsks f cmpns thy nvst n. Thy ls hlp wth nt zr mssn gls f crprtns r cmmnts. Mny gvrnmnts rnd th wrld rqr vrs frms f rprtng. Thr s sm vdnc tht prgrms tht rqr GHG ccntng hlp t lwr mssns. Mrkts fr byng nd sllng crbn crdts dpnd n ccrt msrmnt f mssns nd mssn rdctns. Ths tchnqs cn hlp t ndrstnd th mpcts f spcfc prdcts nd srvcs. Thy d ths by qntfyng thr GHG mssns thrght thr lfcycl (crbn ftprnt).
Ths tchnqs cn b sd t dffrnt scls, frm ths f cmpns nd cts, t th grnhs gs nvntrs f ntr ntns. Thy rqr msrmnts, clcltns nd stmts. vrty f stndrds nd gdlns cn pply, ncldng th Grnhs Gs Prtcl nd S 14064. Ths slly grp th mssns nt thr ctgrs. Th Scp 1 ctgry nclds th drct mssns frm n rgnztn's fclts. Scp 2 nclds th mssns frm nrgy prchsd by th rgnztn. Scp 3 nclds thr ndrct mssns, sch s ths frm spplrs nd frm th s f th rgnztn’s prdcts.
Thr r nmbr f chllngs n crtng ccrt ccnts f grnhs gs mssns. Scp 3 mssns, n prtclr, cn b dffclt t stmt. Fr xmpl, prblms wth ddtnlty nd dbl cntng sss cn ffct th crdblty f crbn ffst schms. ccrcy chcks n ccntng rprts frm cmpns nd prjcts r mprtnt. rgnztns lk Clmt Trc r nw bl t chck rprts gnst ctl mssns v th s f stllt mgry nd tchnqs.