In Tanzania, hydrogeologist Fridtjov Ruden utilized geological data from the oil industry to discover a vast aquifer, providing water for 2 million people. This breakthrough highlights the potential of using existing oil data to address Africa's water scarcity, affecting 1.34 billion people. However, accessing this data poses challenges, requiring negotiations with oil companies. Experts caution that while underground aquifers can help, they are not a complete solution due to risks of mismanagement and the need for infrastructure. Teljes cikk (Euronews.com)