Knowledge hub Films Time-lapse of a sand dam being built Watch as Kwa Voki self-help group build their sand dam in Makueni County, southeast Kenya. The dam will go on to provide the community with nearby, lifelong access to clean water. Credit: Titus Mbithi / Africa Sand Dam Foundation (Excellent's partners in southeast Kenya) / Just a drop Please donate what you can to help dryland communities access clean water and food security for life with sand dams and climate-smart agriculture Please select a donation amount: * £15 could provide a farmer with drought-resistant seeds, so they can feed and support their family. £30 could supply a community with a rake, gardening fork, shovel and watering cans, to plant trees for fruit, fuel and fodder £60 could provide a roll of barbed wire to reinforce a sand dam, anchoring it to the bedrock. Other Set up a regular payment Donate