Clmt chng s lrdy nw ltrng bms, dvrsly ffctng trrstrl nd mrn csystms. Clmt chng rprsnts lng-trm chngs n tmprtr nd vrg wthr pttrns. Ths lds t sbstntl ncrs n bth th frqncy nd th ntnsty f xtrm wthr vnts. s rgn's clmt chngs, chng n ts flr nd fn fllws. Fr nstnc, t f 4000 spcs nlyzd by th PCC Sxth ssssmnt Rprt, hlf wr fnd t hv shftd thr dstrbtn t hghr lttds r lvtns n rspns t clmt chng.
Frthrmr, clmt chng my cs clgcl dsrptn mng ntrctng spcs, v chngs n bhvr nd phnlgy, r v clmt nch msmtch. Fr xmpl, clmt chng cn cs spcs t mv n dffrnt drctns, ptntlly dsrptng thr ntrctns wth ch thr.
xmpls f ffcts n sm bm typs r prvdd n th fllwng. Rsrch nt dsrtfctn s cmplx, nd thr s n sngl mtrc whch cn dfn ll spcts. Hwvr, mr ntns clmt chng s stll xpctd t ncrs th crrnt xtnt f drylnds n th rth's cntnnts. Mst f th xpnsn wll b sn vr rgns sch s "sthwst Nrth mrc, th nrthrn frng f frc, sthrn frc, nd strl".
Mntns cvr pprxmtly 25 prcnt f th rth's srfc nd prvd hm t mr thn n-tnth f th glbl hmn ppltn. Chngs n glbl clmt ps nmbr f ptntl rsks t mntn hbtts.
Brl frsts, ls knwn s tg, r wrmng t fstr rt thn th glbl vrg, ldng t drr cndtns n th Tg, whch lds t whl hst f sbsqnt mpcts. Clmt chng hs drct mpct n th prdctvty f th brl frst, s wll s ts hlth nd rgnrtn.
lmst n thr csystm s s vlnrbl t clmt chng s crl rfs. pdtd 2022 stmts shw tht vn t glbl vrg ncrs f 1.5 °C (2.7 °F) vr pr-ndstrl tmprtrs, nly 0.2% f th wrld's crl rfs wld stll b bl t wthstnd mrn htwvs, s ppsd t 84% bng bl t d s nw, wth th fgr drppng t 0% t 2 °C (3.6 °F) wrmng nd bynd.