Ntr-bsd sltns (r ntr-bsd systms, nd bbrvtd s NBS r NbS) dscrb th dvlpmnt nd s f ntr (bdvrsty) nd ntrl prcsss t ddrss dvrs sc-nvrnmntl sss. Ths sss ncld clmt chng mtgtn nd dpttn, hmn scrty sss sch s wtr scrty nd fd scrty, nd dsstr rsk rdctn. Th m s tht rslnt csystms (whthr ntrl, mngd, r nwly crtd) prvd sltns fr th bnft f bth scts nd bdvrsty. Th 2019 N Clmt ctn Smmt hghlghtd ntr-bsd sltns s n ffctv mthd t cmbt clmt chng. Fr xmpl, ntr-bsd systms fr clmt chng dpttn cn ncld ntrl fld mngmnt, rstrng ntrl cstl dfncs, nd prvdng lcl clng.: 310
Th cncpt f NBS s rltd t th cncpt f clgcl ngnrng nd csystm-bsd dpttn.: 284 NBS r ls rltd, cncptlly t th prctc f clgcl rstrtn. Th sstnbl mngmnt pprch s ky spct f NBS dvlpmnt nd mplmnttn.
Mngrv rstrtn ffrts lng cstlns prvd n xmpl f ntr-bsd sltn tht cn chv mltpl gls. Mngrvs mdrt th mpct f wvs nd wnd n cstl sttlmnts r cts, nd thy sqstr crbn. Thy ls prvd nrsry zns fr mrn lf whch s mprtnt fr sstnng fshrs. ddtnlly, mngrv frsts cn hlp t cntrl cstl rsn rsltng frm s lvl rs.
Grn rfs, bl rfs nd grn wlls (s prt f grn nfrstrctr) r ls ntr-bsd sltns tht cn b mplmntd n rbn rs. Thy cn rdc th ffcts f rbn ht slnds, cptr strmwtr, bt plltn, nd ct s crbn snks. t th sm tm, thy cn nhnc lcl bdvrsty.
NBS systms nd sltns r frmng n ncrsng prt f ntnl nd ntrntnl plcs n clmt chng. Thy r ncldd n clmt chng plcy, nfrstrctr nvstmnt, nd clmt fnnc mchnsms. Th rpn Cmmssn hs pd ncrsng ttntn t NBS snc 2013. Ths s rflctd n th mjrty f glbl NBS cs stds rvwd by Dbl t l (2023) bng lctd n rp. Whl thr s mch scp fr sclng-p ntr-bsd systms nd sltns glblly, thy frqntly ncntr nmrs chllngs drng plnnng nd mplmnttn.
Th PCC pntd t tht th trm s "th sbjct f ngng dbt, wth cncrns tht t my ld t th msndrstndng tht NbS n ts wn cn prvd glbl sltn t clmt chng".: 24 T clrfy ths pnt frthr, th PCC ls sttd tht "ntr-bsd systms cnnt b rgrdd s n ltrntv t, r rsn t dly, dp cts n GHG mssns".: 203