MOKHOTLONG – This investigation focuses on the mining activities of Letseng Diamond Mine, a subsidiary of GEM-Diamonds, a diamond company based in Lesotho, Southern Africa that has been linked to water pollution in the area despite winning climate awards.

In February 2023, the company won the 2022 Junior Environmental, Social, and Governance Award for Responsible Water Management and Protection of Biodiversity at the Investing in African Mining Indaba 2022, but locals have linked the company to the pollution of the community river.  The investigation also discovered that the company's activities include blasting and waste disposal, which locals blame as the major pollution causes.  The reporters travelled to three villages where locals accused the company of being the primary source of drinking water pollution and illnesses that killed a child and animals to assess the extent of the damage and collect water samples for scientific analysis.  The company denied spoiling the villagers source of drinking water.


Photo: Elfredah Kevin Alerechi

Team members

Cindy Sipula

Cindy Sipula is a freelance multimedia journalist and fact-checker based in Zambia.

Cindy Sipula

Elfredah Kevin-Alerechi

Elfredah Kevin-Alerechi is an investigative journalist from Nigeria.

Elfredah Kevin-Alerechi

Sechaba Mokhethi

Sechaba Mokhethi is an investigative journalist, and managing director of MNN Centre for Investigative Journalism in Lesotho.

Sechaba Mokhethi
€38,350 allocated on 28/08/2023




  • Lesotho
  • The UK

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