Articles for Celestin Sempuga

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South Africa does need some gas in the energy mix – just not the kind Gwede Mantashe wants

Biodigestion is a cheap, low-tech way for communities to produce some of their power

By and

Science | 6 September 2022

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Waste plastic could beat coal as an energy source

We can eliminate this toxic pollutant - and make it profitable

Neil Stacey, James Fox, Klaus Moller, Diane Hildebrandt, David Glasser, and Celestin Sempuga

Science | 10 May 2022