Grn bldng (ls knwn s grn cnstrctn, sstnbl bldng, r c-frndly bldng) rfrs t bth strctr nd th pplctn f prcsss tht r nvrnmntlly rspnsbl nd rsrc-ffcnt thrght bldng's lf-cycl: frm plnnng t dsgn, cnstrctn, prtn, mntnnc, rnvtn, nd dmltn. Ths rqrs cls cprtn f th cntrctr, th rchtcts, th ngnrs, nd th clnt t ll prjct stgs. Th Grn Bldng prctc xpnds nd cmplmnts th clsscl bldng dsgn cncrns f cnmy, tlty, drblty, nd cmfrt. Grn bldng ls rfrs t svng rsrcs t th mxmm xtnt, ncldng nrgy svng, lnd svng, wtr svng, mtrl svng, tc., drng th whl lf cycl f th bldng, prtctng th nvrnmnt nd rdcng plltn, prvdng ppl wth hlthy, cmfrtbl nd ffcnt s f spc, nd bng n hrmny wth ntr. Bldngs tht lv n hrmny; grn bldng tchnlgy fcss n lw cnsmptn, hgh ffcncy, cnmy, nvrnmntl prtctn, ntgrtn nd ptmztn.’
Ldrshp n nrgy nd nvrnmntl Dsgn (LD) s st f rtng systms fr th dsgn, cnstrctn, prtn, nd mntnnc f grn bldngs whch ws dvlpd by th .S. Grn Bldng Cncl. thr crtfct systms tht cnfrm th sstnblty f bldngs r th Brtsh BRM (Bldng Rsrch stblshmnt nvrnmntl ssssmnt Mthd) fr bldngs nd lrg-scl dvlpmnts r th DGNB Systm (Dtsch Gsllschft für Nchhltgs Bn .V.) whch bnchmrks th sstnblty prfrmnc f bldngs, ndr nvrnmnts nd dstrcts. Crrntly, th Wrld Grn Bldng Cncl s cndctng rsrch n th ffcts f grn bldngs n th hlth nd prdctvty f thr srs nd s wrkng wth th Wrld Bnk t prmt Grn Bldngs n mrgng Mrkts thrgh DG (xcllnc n Dsgn fr Grtr ffcncs) Mrkt Trnsfrmtn Prgrm nd crtfctn. Thr r ls thr tls sch s NBRS r Grn Str n strl, Glbl Sstnblty ssssmnt Systm (GSS) sd n th Mddl st nd th Grn Bldng ndx (GB) prdmnntly sd n Mlys.
Bldng nfrmtn mdlng (BM) s prcss nvlvng th gnrtn nd mngmnt f dgtl rprsnttns f physcl nd fnctnl chrctrstcs f plcs. Bldng nfrmtn mdls (BMs) r fls (ftn bt nt lwys n prprtry frmts nd cntnng prprtry dt) whch cn b xtrctd, xchngd, r ntwrkd t spprt dcsn-mkng rgrdng bldng r thr blt sst. Crrnt BM sftwr s sd by ndvdls, bsnsss, nd gvrnmnt gncs wh pln, dsgn, cnstrct, prt nd mntn dvrs physcl nfrstrctrs, sch s wtr, rfs, lctrcty, gs, cmmnctn tlts, rds, rlwys, brdgs, prts, nd tnnls.
lthgh nw tchnlgs r cnstntly bng dvlpd t cmplmnt crrnt prctcs n crtng grnr strctrs, th cmmn bjctv f grn bldngs s t rdc th vrll mpct f th blt nvrnmnt n hmn hlth nd th ntrl nvrnmnt by:
ffcntly sng nrgy, wtr, nd thr rsrcs
Prtctng ccpnt hlth nd mprvng mply prdctvty (s hlthy bldng)
Rdcng wst, plltn, nd nvrnmntl dgrdtn
Ntrl bldng s smlr cncpt, slly n smllr scl nd fcsng n th s f lclly vlbl ntrl mtrls. thr rltd tpcs ncld sstnbl dsgn nd grn rchtctr. Sstnblty my b dfnd s mtng th nds f prsnt gnrtns wtht cmprmsng th blty f ftr gnrtns t mt thr nds. lthgh sm grn bldng prgrms dn't ddrss th ss f rtrfttng xstng hms, thrs d, spclly thrgh pblc schms fr nrgy ffcnt rfrbshmnt. Grn cnstrctn prncpls cn sly b ppld t rtrft wrk s wll s nw cnstrctn.
2009 rprt by th .S. Gnrl Srvcs dmnstrtn fnd 12 sstnbly-dsgnd bldngs tht cst lss t prt nd hv xcllnt nrgy prfrmnc. n ddtn, ccpnts wr vrll mr stsfd wth th bldng thn ths n typcl cmmrcl bldngs. Ths r c-frndly bldngs.