The 22 March is World Water Day, which focuses on the importance of freshwater. The Sustainable Development Goals of the United Nations aim to achieve a better and more sustainable future. Goal number 6 focuses on ensuring the availability and sustainable management of water for all by 2030. This image takes us over Lake Chad at the southern edge of the Sahara, where water supplies are dwindling.
This comparison shows Lake Chad imaged on 6 November 1984 by the US Landsat 5 satellite and on 31 October 2018 by the Copernicus Sentinel-2A satellite. The rapid decline of the lake's waters in just 34 years is clear to see.
Africa - Lakes - Lake - Chad - Percent
Once one of Africa's largest lakes, Lake Chad has shrunk by around 90 percent since the 1960s. This receding water is down to a reduction of precipitation, induced by climate change, as well as development of modern irrigation systems for agriculture and the increasing human demand for freshwater.
Straddling the border of Chad, Niger, Cameroon and Nigeria, the lake is a major source of freshwater for millions of people...
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