If you're looking for anime similar to Yakusoku: Africa Mizu to Midori, you might like these titles.
It is the year 1941. 11-year-old Murakami Wataru lives with his family, Japanese textile traders operating in British Kenya, when war breaks out between Japan and the Allies. Fleeing into the bush, young Wataru falls headlong into a series of fantastic adventures.
Mina's family has a baby goat, but it dies from eating a plastic bag left in the paddy field. Some children are absent from school due to health problems caused by waste. So, the villagers have a meeting to discuss what they can do to improve waste management.
In a village in Asia, there is a family with five children. Mina and her husband, Jai who never learnt to read and write, work in the field. One day, Jai suddenly falls ill from stomach cramps. Mina urgently looks for medicine, but she can't find the right container among so many different kinds. Mina decides to go to the clinic in town with the empty bottle. When she reaches the clinic, the doctor is surprised by the bottle she has brought. The bottle is not for medicine, but for pesticide! When she returns home Mina tells Jai what happened in town. And she tells him frankly that she wants to attend literacy class. The story tells you what problems illiterates in Asia and the Pacific are facing and shows the importance of literacy.