| http://www.w3.org/ns/prov#value | - Based on the UN's projections, he said Africa's population would grow 'frighteningly fast' from 1 billion today to 1.5 billion by 2025-2030.He went on to lament the issue of population as 'under thought' and 'our biggest challenge' as it exacerbates existing problems over access to water and other resources.
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