Whi.h b.ri ldi ng matrri ul*o.rl.

nce upon a ttme th""" were th""" littl" pigr. (Great-g"uod"hild""o of tl ones yo., .rr"d to know.) Eu"h trotted off into th" *o"ld t" b.tilJ hir h"t and fortune. Th" first two pigs tho.rght ooly of th"*r"l.r.s rod littl" of o.r" plao uod "ho"e to build *ith steel u'.d "oo" rete. Th"y Jido't care that it took nine tim more energy to makea steel stud thurt u *ood stud. Or that concrete producti, l"u.r". fi.re times more rolid waste than *ood.

M""o*hil", the third ,od .ri"est pig chose to brr;lJ *ith u ""r,"*ab b.rildi"g material-*ood. Just koo*iog *ood was repl"t irh"d *ud" hi* f"el goo