I tēnei wā, ko te hiahia o te ao mō ngā pūoko kounga wai kei roto i ngā rohe he tino pakari ngā ture taiao, he matatau ngā hanganga ahumahi me te maimoatanga wai, me ngā rāngai e tipu haere ana pēnei i te ahuwhenua atamai. He tino nui te hiahia mō ngā pūnaha matatau e whakauru ana i ngā kaitatau raraunga mata pa me te hononga GPRS/4G/WiFi i roto i ngā mākete whakawhanake me ngā ahumahi hou.
Kei te ripanga i raro nei he whakarāpopototanga o ngā whenua matua me ō rātou horopaki tono matua.
| Rohe/Whenua | Ngā Horopaki Taupānga Matua |
|---|---|
| Amerika Te Raki (USA, Kānata) | Te aroturuki mamao i ngā whatunga tuku wai ā-tāone me ngā whare maimoatanga waipara; te aroturuki i ngā tutukitanga mō ngā parahanga ahumahi; te rangahau taiao mō te wā roa i roto i ngā awa me ngā roto. |
| Te Kotahitanga o Ūropi (Tiamana, Wīwī, UK, me ētahi atu) | Te aroturukitanga tahi i te kounga wai i roto i ngā awa whakawhiti-rohe (hei tauira, Rhine, Danube); te arotau me te whakahaere i ngā tukanga maimoatanga wai para o ngā tāone; te maimoatanga me te whakamahi anō i ngā wai para o ngā ahumahi. |
| Hapani me Kōrea ki te Tonga | Te aroturukitanga tino tika mō ngā taiwhanga me te wai tukatuka ahumahi; te haumarutanga kounga wai me te kimi turuturu i roto i ngā pūnaha wai tāone atamai; te aroturukitanga tino tika i roto i te mahi ahuwhenua ika. |
| Ahitereiria | Te aroturuki i ngā puna wai kua horapa whānuitia me ngā wāhi whakamakuku ahuwhenua; te whakahaere pakari i te wai tuku i roto i te rāngai keri me ngā rauemi. |
| Āhia ki te Tonga-mā-rāwhiti (Hingapapō, Mareia, Whitināmu, me ētahi atu) | Te whakatipu ika kaha (hei tauira, te kōura, te tilapia); ngā hanganga wai atamai hou, whakapai ake rānei; te aroturuki i te parahanga ahuwhenua ehara i te pūtake tūāpapa. |