Tun lokacin da aka kafa shi a cikin 2011, High Seas Alliance (HSA) tare da mambobinsa 40+ masu zaman kansu da kuma Ƙungiyar Ƙasa ta Duniya don Kare Halitta suna aiki don kare 50% na duniya wanda shine babban teku. A matsayin yanki na tekun duniya wanda ya wuce ikon kasa, manyan tekuna sun haɗa da wasu mafi mahimmancin ilimin halitta, mafi ƙarancin kariya, kuma mafi tsananin barazanar muhalli a duniya.
Babban fifikonmu a yanzu shi ne tabbatar da cewa taron gwamnatocin da ke gudana a Majalisar Dinkin Duniya daga 2018-2020 don samar da sabuwar yarjejeniya ta doka a karkashin yarjejeniyar Majalisar Dinkin Duniya kan ka'idar teku ta haifar da ingantaccen kariya ga bambancin halittun ruwa a yankuna. fiye da ikon kasa.
A halin yanzu, babu wasu hanyoyin da za a ɗaure bisa doka don kafa wuraren kariya daga teku a wajen tekun Jihohi, ko don gudanar da tantance tasirin muhalli. Amma duk da haka karuwar tasirin kifin kifaye, sauyin yanayi, hakar ma'adinai mai zurfi da jigilar kayayyaki na ci gaba da yin illa ga bambancin halittu a kan manyan tekuna. HSA tana aiki don tabbatar da cewa tattaunawar yarjejeniya ta haifar da ingantattun matakan kiyayewa waɗanda ke magance giɓi a cikin mulkin teku na yanzu.