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Mining currently contributes about one percent of Malawi's gross domestic product. [File, Standard]

A new generation of mining projects targeting rare earth and critical minerals could transform Malawi's economy -- but experts warn of the Africa-wide challenges in turning resource wealth into broad-based prosperity.

One of the world's poorest countries, Malawi has long depended on agriculture, aid and a handful of exports such as tobacco, tea and sugar.

Now discoveries of rare earths and critical minerals potentially worth tens of billions of dollars are drawing the small southern African nation into the global scramble for materials essential for the energy transition and advanced manufacturing.