Rubuta ci gaba don wannan sakin layi - Tsarin zagayawar yanayi na duniya yana buƙatar lura da yanayin yamma don hasashen yanayin yanayi zuwa gabas. Tashoshin lura da yanayi a Greenland sun inganta daidaito na hasashen yanayi don Tekun Atlantika da arewacin Turai don fa'idar dabaru a cikin Yaƙin Atlantic da wasan kwaikwayo na Turai na Yaƙin Duniya na II. Greenland ta kasance wani ɓangare na daular mulkin mallaka ta Denmark tun 1814. Greenland ta bayyana ba ta da kariya sosai bayan mamayar Jamus
na Denmark a ranar 9 ga Afrilu 1940. Allies na Yaƙin Duniya na II sun damu da yiwuwar sansanonin sojan Axis a Greenland. Ma'adinai na cryolite a Ivittuut ya kasance tushen mahimmancin mahimmancin ruwa don electrolysis na aluminum ores ta hanyar Hall-Héroult tsari don samar da jirgin sama.