 Nyorai mberi kweiyi ndima - PES yakashambadzirwawo sechishandiso chekusimudzira misha. Muna 2007, World Bank yakabudisa gwaro rinotsanangura nzvimbo yePES mukusimudzira. Asi chisungo pakati pemhoteredzo nekusimudzira chakanga chazivikanwa zviri pamutemo kare kare neStockholm Conference ya1972 pamusoro peMhoteredzo yaVanhu uye gare gare chakasimbiswazve neRio Conference pamusoro peMhoteredzo neKusimudzira. Zvisinei, zvakakosha kucherechedza kuti zvirongwa zvePES hazviwanzogadzirirwa kuva zvirongwa zvekupedza urombo, kunyange zvazvo zvingasanganisira zvirongwa zvekuvandudza. 