Two young South African inventors have invented a cost-effective alternative to firewood.
If “R3” takes off, it could be a useful tool to slow down the rate of deforestation in Africa where most people use firewood to cook.
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Two young South African inventors have invented a cost-effective alternative to firewood.
If “R3” takes off, it could be a useful tool to slow down the rate of deforestation in Africa where most people use firewood to cook.