Ubuhinzi ni ishingiro ry'ubukungu bw'u Rwanda. Guhinga ku misozi bisaba amaterasi, gufumbira, no gukumira isuri kugira ngo ubutaka budatwarwa n'imvura.
Guhuza ibihingwa nk'ibigori n'ibishyimbo byongera umusaruro kandi bikanoza ubutaka kubera ko ibishyimbo bishyira azote mu butaka.
Mu bworozi, Girinka yateje imbere imiryango myinshi. Ni ngombwa kubaka ikiraro cy'inka, guhinga ibyatsi by'ubwatsi, no kwitabaza umuganga w'amatungo hakiri kare.