As a result of Sahel drought, the southern boundary moved south overall during that period.

On the other hand, hurricane formation was greatly diminished from 1968 to 1994, which for some reason coincides with the great Sahel drought.

During the Sahel drought of the mid-1970s the shore was 85 km away from N'guigmi in Chad.

The Sahel's farmers are largely cleared of blame for the 20th century's Sahel droughts.

Approximately 40% of Mali's herds were lost during the Sahel drought in 1972-74.

Since the Sahel drought of the 1970s and 1980s the lake has been mostly dry.

The famines of the 1960s-1980s Sahel drought helped to cement these seasonal migration patterns.

Both of these were much longer and more severe than the Dust Bowl and the 1970's Sahel drought, which threatened millions with starvation.

The great Sahel droughts of the early 1970s caused massive devastation in Mauritania.

The great Sahel droughts of the early 1970s caused massive problems in a country where 85% of its inhabitants were nomadic herders.