About us What we do 1 million sand dams for 0.5 billion people by 2050 Sand Dams Worldwide (formerly Excellent Development) plans to support the construction of 1 million sand dams for 0.5 billion people by 2050, in turn helping millions of people living in drylands to access clean water and food, restore degraded land, rebuild their livelihoods and regreen local environments. Read about our strategy to help more people transform their own lives and land with sand dams here: Click here to read and download. To receive news and updates from Sand Dams Worldwide, please sign up to our mailing list here. Please donate what you can to help more dryland communities transform their own lives and land with sand dams Please select a donation amount (required) £25 could provide a farmer with drought-resistant seeds, so they can feed and support their family. £50 could provide a roll of barbed wire to reinforce a sand dam, anchoring it to the bedrock. £85 could provide 500 seedlings and a spray pump, to protect the trees from insects Other Set up a regular payment Donate Manage Cookie Preferences