“Sand Dams” Are Transforming African Drylands

Article URL: https://weburbanist.com/2018/09/04/fertile-grounds-low-tech-sand-dams-breathe-new-life-into-african-drylands/

Comments URL: https://news.ycombinator.com/item?id=17931839

Points: 141

# Comments: 38

from Hacker News: Front Page https://ift.tt/2CjUh4y
via