2. Irashobora gutanga amazi meza nisuku kubwinka, inka, ifarashi nibindi
3. Amazi agwa nezakandi byinshi, byoroshye.
4. Ibikoresho bya plastiki, biramba, byoroshye gukoresha kandi ntibigomba kubora, kumeneka.
5. Gukora neza, easy gushiraho no gusenya