. . _:Bdfe4681f7a975eab2ffff0dc3fcc1445 . "Costanza, Robert" . . "Robert" . "Robert Costanza" . "Costanza" . "Professor, Center for Environmental Science and Biology Department and Director of the University of Maryland Institute for Ecological Economics"@nl . . _:Bdfe4681f7a975eab2ffff0dc3fcc1445 . _:Bdfe4681f7a975eab2ffff0dc3fcc1445 . _:Bdfe4681f7a975eab2ffff0dc3fcc1445 "2023-05-19"^^ . _:Bdfe4681f7a975eab2ffff0dc3fcc1445 . _:Bdfe4681f7a975eab2ffff0dc3fcc1445 . _:Bdfe4681f7a975eab2ffff0dc3fcc1445 "159053757" . _:Bdfe4681f7a975eab2ffff0dc3fcc1445 . _:Bdfe4681f7a975eab2ffff0dc3fcc1445 . _:Bdfe4681f7a975eab2ffff0dc3fcc1445 .