Attempts to record goat sounds led Living on Earth's Bobby Bascomb to be invited to tea and dinner with a Peuhl family.
Living on Earth
Is the great green wall of trees Africa's answer to the advancing Sahara desert?
For Senegal's Great Green Wall to be a success the government first had to get support from communities living in the region.
From Senegal to Djibouti, there is a plan to halt the advancing Sahara desert with a Great Green Wall of trees.
In Kibera, a slum of Nairobi, Kenya, clean water is too scarce. But a new technology that takes just a plastic bottle and six hours in the sun is helping reduce sickness and diarrhea in the community, and in other developing countries around the world.